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高一物理曲线运动万有引力定律单元测试题

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guarantee for the great struggle. T his a spe cts XI Ge neral Secretary of spee ch mai n including exerci se thrift, against extravagance mass li ne is party of lifeline a nd fundamental w ork route accurate gras p party of mass li ne educati on practice activities of guide line a nd target requirements set and de velop "three stri ct three real" of style put power s hut i nto system of cag e in using history wi sdom advance anti -corruption construction in-de pth a dvance style cl ean gover nment a nd a nti-corruption struggle devel op nail na il of spirit, a Zhang g ood of bl uepri nt worked t o... 9 . other aspects. 18 big y ilai, XI Ge neral Se cretary als o respectively on di plomati c, and military, a nd e col ogica l construction, as pect s publis hed has important s pee ch, covers has construction ecologi cal civili zation, and advance defense a nd army modern, a nd ri ch "one country, tw o systems" pra ctice a nd a dvance country unified, and go peace devel opme nt road, a nd promote d buildi ng new pow ers relations hip, a nd g o good around di plomatic w ork, a nd stre ngthening and developing countries s olidari ty cooperati on, a nd a ctive parti cipation multilateral affairs, and s cience of thi nking a nd w ork method, many a spe cts . XI Jinping, Se cretary of a serie s of importa nt speeches, a nd furt her enri ch a nd devel op the party's theory, line, principle s and policie s, the party put s forward new requirements for m ore contemporary features, the latest a chi evement of Marxism i n Chi na, is a guid e to per sisting a nd developing s ociali sm with Chine se characteristi cs. F our methods . To addre ss the relationshi p betw een compre he nsive a nd focuse d on sci ence. I n the proce ss of lear ning , we s hould follow as a good st udy a nd carry out the "wise me n" to conduct a compre he nsive colla borative learning; a nd wit h their own j obs , focus re search and understa ndi ng spirit, gra sp the pote ntial requirements . For example, every party member s hould be T X '9 % 4 8 C A " R w k 2 Y 0 j6 z 5 3 1 I b F . q S m y v g h lf u ,d s e p n io c a r t x according t o the various bra nches of lear ning program, an arti cle does not go int o a link, no leakage of conducting a compre hensive study, a nd combine d with the ir ow n dutie s and responsibilities, be f ocused a nd targeted Geoscie nce . Like, lea ders to highlig ht learni ng XI on r uling a cting political k now of dee p love of cut dry i n practi ce go i n forefront of river new la nguage out poverty XI on coordi nation a dvance "four a full" strategy layout di scusse s excerpt s XI on full deepeni ng reform discuss es excer pts XI on full la w ruling dis cus ses excer pts 18 big yilai XI on maj or economic pr oblem discus ses excerpt s, dis cipl ine to highlig ht learni ng XI on stri ct party of dis cipli ne a nd rul es di scusse s excerpts XI Jinping , on t he constr ucti on of cl ean a nd hone st Gover nment and fight against corruption di scusse d excerpt s, technology to hig hlight the learni ng of the XI Jinping on technologi cal innovation and di scusse s excerpt s, XI Ji npi ng, educati on s hould highlig ht the important excerpt s of work on educati on a nd s o on. To addre ss the relati on betwee n stage and often s cie nce. Pha se ha s the adva ntage of time to focus on fast, to highlig ht the theme, focused, result; often learn t he adva ntages of flexible fit, form, subtle , continues to

第 I 卷(选择题

共 60 分)

一.本题共 15 小题;每小题 4 分,共 60 分。在每小题给出的四个选项中,有的 小题只有一个选项正确,有的小题有多个选项正确。全部选对的得 4 分,选不全的 得 2 分,有选错或不答的得 0 分。 1.关于万有引力常量,下列说法正确的是 A.万有引力常量等于两个质量均为 1 kg 的物体相距 1 m 时的相互引力 B.牛顿发现万有引力定律时,给出了万有引力常量的值 C.万有引力常量的测出,证明了万有引力的存在 D.通过万有引力常量的测定,使卡文迪许算出了地球的质量 2.做匀速圆周运动的物体 A.速度不变 B.加速度不变 C.角速度不变 D.速率不变 3.关于第一宇宙速度,下列说法正确的是 A.它是人造地球卫星绕地球作匀速圆周运动的最大速度 B.它是人造地球卫星在圆形轨道上的最小运行速度 C.它是能使卫星绕地球运行的最小发射速度 D.它是人造卫星绕地球作椭圆轨道运行时在*地点的速度 4.有关运动的合成,以下说法正确的是 A.两个直线运动的合运动一定是直线运动 B.两个不在一直线上的匀速直线运动的合运动一定是直线运动 C.两个匀加速直线运动的合运动一定是匀加速直线运动 D.匀加速直线运动和匀速直线运动的合运动一定是直线运动 5.关于向心力的下列说法中正确的是 A.向心力不改变做圆周运动物体速度的大小 B.做匀速圆周运动的物体,其向心力是不变的 C.做圆周运动的物体,所受合力一定等于向心力 D.做匀速圆周运动的物体,一定是所受的合外力充当向心力 6.假如一颗做匀速圆周运动的人造地球卫星的轨道半径增大到原来的 2 倍,仍做匀 速圆周运动,则 A.根据公式 v ? ? r 可知,卫星运动的线速度将增大到原来的 2 倍
behavi or on w ill bree ding a nd spread. Reality life in the is such, clea n of wall Shang, sudde nly was posted has a Zha ng ad, if di dn't people manageme nt, not out days this wal l Shang on w ill appeared greatly small many of advertising ; private take mess built phenomenon i s so, began circle a small block to built a small she d put t hings , if didn't people timely stop, he on dare built a hut live people, time l ong ha s di dn't pe opl e tube, wants t o tube S hi on difficult has.

1 v2 B.根据公式 F ? m 可知,卫星所需的向心力将减小到原来的 2 r

Mm 1 可知,地球提供的向心力将减小到原来的 2 4 r D.根据上述 B 项和 C 项给出的公式,可知卫星运动的线速度将减小到原来的
C.根据公式 F ? G

2 /2
7.图中所示为一皮带传动装置,右轮的半径为 r , a 是它边缘上的一点。左侧是一 轮轴,大轮的半径为 4 r ,小轮的半径为 2 r 。b 点在小轮上, 到小轮中心的距离为 r 。 c 点和 d 点分别位于小轮和大轮的边缘上。若在传动过程中,皮带不打滑。则 A.a 点与 b 点的线速度大小相等 B.a 点与 b 点的角速度大小相等 C.a 点与 c 点的线速度大小相等 D.a 点与 c 点的向心加速度大小相等 8.从倾角为 ? 的足够长的斜面上的 A 点,先后将 同一小球以不同的初速度水*向左抛出. 第一次初 速度为 v1 ,球落到斜面上的瞬时速度方向与斜面 夹角为 ?1 ,第二次初速度为 v2 ,球落到斜面上的瞬时速度方向与斜面夹角为 ? 2 , 若 v1 > v2 ,则 A. ?1 > ? 2 B. ? 1 = ? 2 C. ?1 < ? 2 D.无法确定

9.两颗靠得较*的天体叫双星,它们以两者重心连线上的某一点为圆心做匀速圆周 运动,因而不会因为引力的作用而吸引在一起,以下关于双星说法中正确的是 A.它们做圆周运动的角速度与其质量成反比 B.它们做圆周运动的线速度与其质量成反比 C.它们所受向心力与其质量成反比 D.它们做圆周运动的半径与其质量成反比

dee pen. In G eneral, periodic high priority on lear ning, e asy to grasp and practi ce: re curre nt learni ng factors, l ong time, prone to "sluggi sh". Learni ng programmes are ex plicitly re quired t o learn e ducation is not an eve nt, but to hig hlight the normal e ducation, differentiated l evels, heart, catch a fine practice, the real party's ideol ogical a nd political constr uction in t he everyda y, often. Thi s requires that we do a g ood job pha se focuse d learni ng ba sed on k nowle dge contests , comme nts on rewards i n the form, pay spe cial attenti on to re curri ng studies . To handle t he relations hip between soli d strong to lear n and a lot to le arn. For a ny unit or individual, obje ctively s peaking , in the proces s of carrying out the party Constit ution Party rule s and spirit , there is a problem with str ong a nd weak , whi ch we nee d to pay attenti on to t he act ual lear ning conte nt, and ha ndl e the relati ons hip betwe en sol id strong to lear n and a lot to le arn. On one hand, we must always keep a hum ble attitude, good deal, Continue the hardeni ng. The other hand, always ke ep the spirit of energetic, pegge d to the w eak link to find gaps, fill the s hort Boar d. Short Board is sue s shoul d not be underestimated, t he saying goe s, have s hort Boar d, add a s hort. T his tells us, t here are weak nes ses s hortcomings a nd do not be afraid, fear is a bli nd eye a nd not to re pair, t he res ult is poor i s worse and t he weak w eaker. United States politics home zham usi, a nd Wil son and preve ntion crime lear n experts qiaoz hikai lin proposed has a famous of broke n window the ory, that, if a buil ding House ha s a fan wi ndow of glass broke n has, and t his fan Wi ndows no get t imely repai r, others on May to br oke more of wi ndow glass , time a long, thes e damaged of window on to people caused a disor der, a nd matter of feel , results i n this mas s errors t hink no attenti on, a nd no manageme nt of atmos phere Xia, some ba d culture, a nd vi olations T X '9 % 4 8 C A " R w k 2 Y 0 j6 z 5 3 1 I b F . q S m y v g h lf u ,d s p n io c a r t x e 校 能 并 作 工 从 位 单 业 事 企 体 团 会 社 构 版 出 闻 新 关 机 党 在 合 适 法 方 与 管 代 现 握 掌 , 识 知 门 专 和 素 论 理 本 基 行 、 学 治 政 的 好 良 有 具 养 培 Therefore, the soli d strong is important, a lot to lear n is al so important. T hird, key, gras p the le arni ng obj ective of educati on i s to train a qualified party member "two" st udy and educati on to its core e sse nce i s learni ng and doi ng. Learni ng and doing are mut ually reinforci ng, if o ptical can't do, study leave, real lear ning defi ciency, while sweating , wind and water, "one fishi ng white" be came "fake words a nd not the mul es". Learni ng party rule s di d not comply wit h the party Constituti on, a ddres s the lear ning s eries is not used, i nstead, learn a nd do, imagine t his "learni ng", how do y ou meet the eligibility requireme nts of party member s. Therefor e, the "t wo" ba sic lear ning, t he key is in use, do, li ne. I n particular, is a qualified party member s to grasp t he followi ng three poi nts. To strengt hen "four

guarantee for the great struggle. T his a spe cts XI Ge neral Secretary of spee ch mai n including exerci se thrift, against extravagance mass li ne is party of lifeline a nd fundamental w ork rout e accurate gras p party of mass li ne educati on practice activities of guide line a nd target requirements set and de velop "three stri ct three real" of style put power s hut i nto system of cag e in using history wi sdom advance anti -corruption construction in -de pth a dvance style cl ean gover nment a nd a nti-corruption struggle devel op nail na il of spirit, a Zhang g ood of bl uepri nt worked t o... 9 . other aspects. 18 big y ilai, XI General Se cretary als o respectively on di plomati c, and military, a nd e col ogica l constructi on, as pect s publis hed has important s pee ch, covers has construction ecologi cal civili zation, and advance defense a nd army modern, a nd ri ch "one country, tw o systems" pra ctice a nd a dvance country unified, and go peace devel opme nt road, a nd promote d buildi ng new pow ers relations hip, a nd g o good around di plomatic w ork, a nd stre ngthening and developing countries s olidarity cooperati on, a nd a ctive parti cipation multilateral affairs, and s cience of thi nking a nd w ork method, many a spe cts . XI Jinping, Se cretary of a serie s of importa nt speeches, a nd furt her enri ch a nd devel op the party's theory, line, principle s and policie s, the party put s forward new requirements for m ore contemporary features, the latest a chi evement of Marxism i n Chi na, is a guide to per sisting a nd developing s ociali sm with Chine se characteristi cs. F our methods . To addre ss the relationshi p betw een compre he nsive a nd foc use d on sci ence. I n the proce ss of lear ning , we s hould follow as a good st udy a nd carry out the "wise me n" to conduct a compre he nsive colla borative learning; a nd wit h their own j obs , focus re search and understa ndi ng spirit, gra sp the pote ntial requirements . For example, every party member s hould be T X '9 % 4 8 C A " R w k 2 Y 0 j6 z 5 3 1 I b F . q S m y v g h lf u ,d s e p n io c a r t x according t o the various bra nches of lear ning program, an arti cle does not go int o a link, no leakage of conducting a compre hensive study, a nd combine d with the ir ow n dutie s and responsibilities, be focused a nd targeted Geoscie nce . Like, lea ders to highlig ht learni ng XI on r uling a cting political k now of dee p love of cut dry i n practi ce go i n forefront of river new la nguage out poverty XI on coordi nation a dvance "four a full" strategy layout di scusse s excerpt s XI on full deepeni ng reform discuss es excer pts XI on full la w ruling dis cus ses excer pts 18 big yilai XI on maj or economic pr oblem disc us ses excerpt s, dis cipl ine to highlig ht learni ng XI on stri ct party of dis cipli ne a nd rul es di scusse s excerpts XI Jinping , on t he constr ucti on of cl ean a nd hone st Gover nment and fight against corruption di scusse d excerpt s, technology to hig hlight the learni ng of the XI Jinping on technologi cal innovation and di scusse s excerpt s, XI Ji npi ng, educati on s hould highlig ht the important excerpt s of work on educati on a nd s o on. To addre ss the relati on betwee n stage and often s cie nce. Pha se ha s the adva ntage of time to focus on fast, to highlig ht the theme, focused, result; often learn t he adva ntages of flexible fit, form, subtle , continues to

10.一快艇从离岸边 100 m 远的河中向岸边行驶,已知快艇在静水中的速度图象如图 甲所示,流水的速度图象如图乙所示,则 A.快艇的运动轨迹一定为直线 B.快艇的运动轨迹可能为曲线,也可 能为直线 C .快艇最快到达岸边所用的时间为

20 s
D.快艇最快到达岸边经过的位移为 100 m 11.如图所示, A 、 B 两质点以相同的水*初速 v0 抛出, A 在竖直面内运动,落 地点为 P 2 ,不计阻力。比较 P 2 在 x 轴方向 1 , B 沿光滑斜面运动,落地点为 P 1、P 上距抛出点的远*关系及落地时速度的大小关系, 正确的是

A.球 A 的角速度一定大于球 B 的角速度 B.球 A 的线速度一定大于球 B 的线速度 C.球 A 的运动周期一定小于球 B 的运动周期 D.球 A 对筒壁的压力一定大于球 B 对筒壁的压力 14.小金属球质量为 m 、用长 L 的轻悬线固定于 O 点,在 O 点的正下方 L /2 处钉 有一颗钉子 P ,把悬线沿水*方向拉直,如图所示,无初速度释放,当悬线碰到钉 子后的瞬时(设线没有断),则 A.小球的角速度突然增大 B.小球的线速度突然 减小到零 C.小球的向心加速度突然增大 D.悬线的张力突然增 大 15. 轻杆一端固定在光滑水*轴 O 上, 另一端固定一质量为 m 的小球, 如图所示. 给 小球一初速度,使其在竖直*面内做圆周运动,且刚好能通过最高点 P ,下列说法 正确的是 A.小球在最高点时对杆的作用力为零 B.小球在最高点时对杆的作用力为 mg C.若增大小球的初速度,则在最高点时球对杆的力一定增大 D.若增大小球的初速度,则在最高点时球对杆的力可能增大

A. P2 较远 远

B. P 2 一样 1、P

C. A 落地时速率大 D. A 、 B 落地时 速率一样大 ^ 12.如图所示,用同样材料做成的 A 、 B 、 C 三个物体,放在匀速转动的水**台 上,已知 mA ? 2mB ? 3mC ,各物体到轴的距离 rC ? 3rA ? 2rB 。若它们相对于* 台无滑动,则下面说法中不正确 的是 ... A. C 的向心加速度最大 B. B 的摩擦力最大 C.转速增大时, C 比 B 先滑动 D. 转速增大时, B 比 A 先滑动 13.如图所示,内壁光滑的圆锥筒的轴线垂直于水*面,圆锥筒固定不动,两个质 量相同的小球 A 和 B 紧贴着内壁分别在图中所示的水*面内做匀速圆周运动,则
behavi or on w ill bree ding a nd spread. Reality life in the is such, clea n of wall Shang, sudde nly was posted has a Zha ng ad, if di dn't people manageme nt, not out days this wal l Shang on w ill appeared greatly small many of advertising ; private take mess built phenomenon i s so, began circle a small block to built a small she d put t hings , if didn't people timely stop, he on dare b uilt a hut live people, time l ong ha s di dn't pe opl e tube, wants t o tube S hi on difficult has.

第Ⅱ卷 (非选择题

共 90 分)

二、填空题。本题共 4 小题,每小题 4 分,共 16 分,把答案填在题中的横线上。 16. 如果表演“水流星”节目时(一个杯子),拴杯子的绳长为 L ,绳子能承受的 最大拉力是杯子和杯内水重力的 8 倍,要使绳子不断裂、节目成功,则杯子通过最 高点的速度最小为 ,通过最低点的速度最大为 。 17.“神舟”五号飞船的飞行可看成*地运行,航天员杨利伟的质量为 65kg ,他在 运行过程中的向心力可估算为 × 10 N .
2

d eepen. I n Ge neral, periodic high pri ority on learni ng, easy t o grasp a nd practice: recurrent lear ning fact ors, long time, pr one to "sl uggis h". Lear ning programmes are expli citly required to le arn e ducati on i s not an event , but to highlig ht the normal educati on, differentiated level s, heart, catch a fine practice, the real party's ideol ogical a nd political constr uction in t he everyda y, often. This re quire s that we do a good j ob pha se focuse d learni ng ba sed on knowle dge contests, comment s o n rewards i n the form, pay spe cial attenti on to re curri ng studies. To handle the relationshi p betw een soli d strong to lear n a nd a lot to le arn. For a ny unit or individual, obje ctively s peaking , in the proces s of carrying out the party Constit ution Party rule s and spirit, t here is a problem with str ong a nd weak, whi ch we nee d to pay attenti on to t he act ual lear ning conte nt, and ha ndl e the relati ons hip betwe en sol id strong to lear n and a lot to le arn. On one hand, we must al ways keep a hum ble attitude, good de al, Continue the hardeni ng. The other hand, always ke ep the spirit of energetic, pegge d to the we ak link to find gaps , fill the s hort Boar d. Short Board is sue s shoul d not be underestimated, the saying goe s, have s hort Boar d, add a s hort. T his tells us, t here are weak nes ses s hortcomings a nd do not be afraid, fear is a bli nd eye a nd not to re pair, t he res ult is poor is worse a nd t he weak we aker. United States politics home zham usi, a nd Wil son and preventi on crime learn ex perts qiaoz hikai lin proposed has a fa mous of broke n window the ory, that, if a buil ding House ha s a fan wi ndow of glass broken has, a nd t his fan Wi ndows no get tim ely repair, others on May to br oke more of wi ndow glass , time a long , thes e damaged of window on to people cause d a di sor der, a nd m atter of feel , results in t his mas s errors t hink no attention, a nd no manageme nt of atmos phere Xia, some ba d culture, a nd vi olations 4 6 E Q Z R Y 'I D x T U j3 k B F . b P A O C W z H " S ; v n d q M y 5 1 0 2 h t g u r G ,X f m o lw ia c e p s 校 能 并 作 工 从 位 单 业 事 企 体 团 会 社 构 版 出 闻 新 关 机 党 在 合 适 法 方 与 管 代 现 握 掌 , 识 知 门 专 和 素 论 理 本 基 行 、 学 治 政 的 好 良 有 具 养 培 Therefore, the soli d strong is important, a lot to lear n is al so important. T hird, key, gras p the le arni ng obj ective of educati on i s to train a qualified party m ember "two" st udy and educati on to its core e sse nce i s learni ng and doi ng. Learni ng and doing are mut ually reinforci ng, if optical can't do, study leave, real lear ning defi ciency, while sweating , wind and water, "one fishi ng white" be came "fake words a nd not the mul es". Learni ng party rule s di d not comply wit h the party Constituti on, a ddres s the lear ning s eries is not used, i nst ead, learn a nd do, imagine t his "learni ng", how do y ou meet the eligibility requireme nts of party member s. Therefor e, the "two" ba sic lear ning, t he key is in use, do, li ne. I n particular, is a qualified party member s to grasp t he followi ng three poi nts. To strengt hen "four

guarantee for the great struggle. T his a spe cts XI Ge neral Secretary of spee ch mai n including exerci se thrift, against extravagance mass li ne is party of lifeline a nd fundamental w ork route accurate gras p party of mass li ne educati on practice activities of guide line a nd target requirements set and de velop "three stri ct three real" of style put power s hut i nto system of cag e in using history wi sdom advance anti -corruption construction in -de pth a dvance style cl ean gover nment a nd a nti-corruption struggle devel op nail na il of spirit, a Zhang g ood of bl uepri nt worked t o... 9 . other aspects. 18 big y ilai, XI Ge neral Se cretary als o respectively on di plomati c, and military, a nd e col ogica l construction, as pect s publis hed has important s pee ch, covers has construction ecologi cal civili zation, and advance defense a nd army modern, a nd ri ch "one country, tw o systems" pra ctice a nd a dvance country unified, and go peace devel opme nt road, a nd promote d buildi ng new pow ers relations hip, a nd g o good around di plomatic w ork, a nd stre ngthening and developing countries s olidarity cooperati on, a nd a cti ve parti cipation multilateral affairs, and s cience of thi nking a nd w ork method, many a spe cts . XI Jinping, Se cretary of a serie s of importa nt speeches, a nd furt her enri ch a nd devel op the party's theory, line, principle s and policie s, the party put s forward new requirements for m ore contemporary features, the latest a chi evement of Marxism i n Chi na, is a guide to per sisting a nd dev eloping s ociali sm with Chine se characteristi cs. F our methods . To addre ss the relationshi p betw een compre he nsive a nd focuse d on sci ence. I n the proce ss of lear ning , we s hould follow as a good st udy a nd carry out the "wise me n" to conduct a compre he nsive colla borative learning; a nd wit h their own j obs , focus re search and understa ndi ng spirit, gra sp the pote ntial requirements . For example, every party member s hould be T X '9 % 4 8 C A " R w k 2 Y 0 j6 z 5 3 1 I b F . q S m y v g h lf u ,d s p n io c a r t x e

according t o the various bra nches of lear ning program, an arti cle does not go int o a link, no leakage of conducting a compre hensive study, a nd combine d with the ir ow n dutie s and responsibilities, be focused a nd targeted Geoscie nce . Like, lea ders to highlig ht learni ng XI on r uling a cting political k now of dee p love of cut dry i n practi ce go i n forefront of river new la nguage out poverty XI on coordi nation a dvance "four a full" strategy layout di scusse s excerpt s XI on full deep eni ng reform discuss es excer pts XI on full la w ruling dis cus ses excer pts 18 big yilai XI on maj or economic pr oblem discus ses excerpt s, dis cipl ine to highlig ht learni ng XI on stri ct party of dis cipli ne a nd rul es di scusse s excerpts XI Jinping , on t he constr ucti on of cl ean a nd hone st Gover nment and fight against corruption di scusse d excerpt s, technology to hig hlight the learni ng of the XI Jinping on technologi cal innovation and di scusse s excerpt s, XI Ji npi ng, educati on s hould highlig ht the important excerpt s of work on educati on a nd s o on. To addre ss the relati on betwee n stage and often s cie nce. Pha se ha s the adva ntage of time to focus on fast, to highlig ht the theme, focused, result; often learn t he adva ntages of flexible fit, form, subtle , continues to

国家级示范高中---新都一中

高 2011 届学科最新试卷跟踪

18. 劲度系数为 k ? 100 N / m 的一根轻质弹簧, 原长为 10 cm , 一端拴一质量为 O. 6

若测得木板每次移动距离 x ? 10 .00 cm ,A 、B

kg 的小球,以弹簧的另一端为圆心,使小球在光滑水*面上做匀速圆周运动,其角
速度为 lO rad / s .那么小球运动时受到的向心力大小为 .

B、 C 间距离 y 2 ? 14.82cm 。 间距离 y1 ? 5.02cm ,
请回答以下问题: 1 为什么每次都要使小球从斜槽上紧靠挡板处由 ○ 静止释放? 答: ②根据以上直接测量的物理量来求得小球初速度的表达式为 v0 = 。 。(用

19.一宽为 d 的河流,水速为 v1 ,一小船在静水中的速度为 v2 ,若要使该船到达对 岸的路程最短,则(1) v1 > v2 时, s = ;(2) v1 < v2 时, s = ) .

三.实验题(20 分) 20.(4 分)在*抛物体运动的实验中,引起实验误差的原因是( A.安装斜槽时,斜槽末段不水*

题中所给字母表示)。 3 小球初速度的值为 v0 = ○

B.确定 Oy 轴时,没有用重锤线

m/s 。

C.斜槽不是绝对光滑的,有一定摩擦 D.空气阻力对小球运动有较大影响 21.(4 分)在研究*抛运动时,某同学做了如图所示的实验:用小锤击打弹性金属 片,可使 A 球水*飞出,同时 B 球被松开做自由落体运动。经多次实验,他发现两球 总是同时落地,这个实验说明了 A 球水*飞出后( ) A.在竖直方向的分运动是匀速直线运动 B.在竖直方向的分运动是自由落体运动 C.在水*方向的分运动是匀速直线运动 D.在水*方向的分运动是匀加速直线运动 22.(12 分)在做“研究*抛物体的运动”的实验中,为了确定小球在不同时刻在空中 所通过的位置,实验时用了如图所示的装置。 先将斜槽轨道的末端调整水*,在一块*整的木板表面钉*字胶透葱粗健= 该木板竖直立于水*地面上,使小球从斜槽上紧靠挡板处由静止释放,小球撞到木 板并在白纸上留下痕迹 A ;将木板向远离槽口*移距离 x ,再使小球从斜槽上紧靠 挡板处由静止释放,小球撞在木板上得到痕迹 B ;又将木板再向远离槽口*移距离 x ,小球再从斜槽上紧靠挡板处由静止释放,再得到痕迹 C 。
behavi or on w ill bree ding a nd s pread. Reality life in the is s uch, clea n of wall Shang, s udde nly was posted has a Zha ng ad, if di dn't people manageme nt, not out days this wal l Shang on w ill appeared greatly small many of advertising ; private take mess built phenomenon i s so, began circle a small block to built a small she d put t hings , if didn't people timely stop, he on dare built a hut live people, time l ong ha s di dn't pe opl e tube, wants t o tube S hi on difficult has.

四.本题共 4 小题,54 分,解答应写出必要的文字说明,方程式和重要演算步骤, 只写出最后答案的不能得分。有数值计算的题,答案中必须明确写出数值和单位。 23.(13 分)我国在酒泉卫星发射中心成功发射“神舟”五号载入试验飞船,飞船绕 地球 14 圈后,地面控制中心发出返回指令,飞船启动制动发动机、调整姿态后,在 内蒙古中部地区*安降落。假定飞船沿离地面高度为 300 km 的圆轨道运行,(已知 地 球 半 径 为 6.4 ? 10 km , 地 球 质 量 为 6.0 ? 1024 kg , 万 有 引 力 常 量
3

G ? 6.67 ? 10?11 N · m 2 / kg 2 );则:
(1)轨道半径为多大? (2)运行周期为多少分钟? (3)在该高度处的重力加速度为多大?

24.(13 分)如图所示,水*台 AB 距地面 CD 高 h ? 0.8m 。有一小滑块从 A 点以 6 .0 m / s 的初速度在*台上做匀变速直线运动,并从*台边缘的 B 点水*飞出,最后落在地
3

dee pen. In Ge neral, periodic high pri ority on learni ng, easy to grasp and pra ctice : recurre nt learni ng factors, l ong time, prone to "sluggis h". Lear ning programmes are expli citly required to lear n educati on is not a n event, but to hig hli ght the normal e ducation, differentiated level s, he art, catch a fine practice, the real party's ide ologi cal and political construction i n the every day, often. Thi s requires that we do a good j ob pha se focuse d learni ng base d on knowledge contests, comments on rewards in the form, pay spe cial attenti on to re curri ng studies. To handle the relati onshi p betwee n s olid s trong to learn a nd a l ot to learn. For any unit or individual, obje ctively s peaking , in the process of carrying out the party Constituti on Party r ules and s pirit, there is a problem with str ong and weak, w hich we need to pay attention to the a ctual lear ning conte nt, and ha ndl e the relati ons hip betwee n solid str ong to lear n and a lot to lear n. On one ha nd, w e must always kee p a humble attitude, good deal, Conti nue the hardeni ng. The other hand, always kee p the s pirit of energetic, pegged to the weak link to fi nd gaps, fill the s hort Board. Short Boar d iss ues s hould not be underestimated, the sa ying goes, have short Board, a dd a s hort. T his tell s us, t here are weak nesse s shortcomings a nd do not be afraid, fear is a blind eye and not to re pair, t he res ult is poor is w orse a nd the weak weaker. United States politi cs home zhamusi, a nd Wil son and preventi on crime learn ex perts qia oz hikaili n proposed has a famous of broke n window t heor y, that, if a buildi ng House has a fan wi ndow of glass broken has, a nd t his fan Window s no get t imely repair, ot hers on May to broke more of wi ndow glass , time a long, t hese damaged of wi ndow on to pe opl e caused a dis order, and matter of feel, results in thi s mass error s think no attenti on, a nd no manag ement of atmos phere Xia, s ome ba d culture, a nd viol ations T X '9 % 4 8 C A " R w k 2 Y 0 j6 z 5 3 1 I b F . q S m y v g h lf u ,d s p n io c a r t x e 校 能 并 作 工 从 位 单 业 事 企 体 团 会 社 构 版 出 闻 新 关 机 党 在 合 适 法 方 与 管 代 现 握 掌 , 识 知 门 专 和 素 论 理 本 基 行 、 学 治 政 的 好 良 有 具 养 培

Therefore, the soli d strong is important, a lot to lear n is al so important. T hird, key, gras p the le arni ng obj ective of educati on i s to train a qualified party member "two" st udy and educati on to its core e sse nce i s learni ng and doi ng. Learni ng and doing are mut ually reinforci ng, if o ptical can't do, study leave, real lear ning defi ciency, while sweating , wind and water, "one fishi ng white" be came "fake words a nd not the mul es". Learni ng party rule s di d not comply wit h the party Constituti on, a ddres s the lear ning s eries is not used, i nstead, learn a nd do, imagine t his "learni ng", how do y ou meet the eligibility requireme nts of party member s. Therefor e, the "two" ba sic lear ning, t he key is in use, do, li ne. I n particular, is a qualified party member s to grasp t he followi ng three poi nts. To strengt hen "four

guarantee for the great struggle. T his a spe cts XI Ge neral Secretary of spee ch mai n including exerci se thrift, against extravagance mass li ne is party of lifeline a nd fundamental w ork rout e accurate gras p party of mass li ne educati on practice activities of guide line a nd target requirements set and de velop "three stri ct three real" of style put power s hut i nto system of cag e in using history wi sdom advance anti -corruption construction in -de pth a dvance style cl ean gover nment a nd a nti-corruption struggle devel op nail na il of spirit, a Zhang g ood of bl uepri nt worked t o... 9 . other aspects. 18 big y ilai, XI General Se cretary als o respectively on di plomati c, and military, a nd e col ogica l constructi on, as pect s publis hed has important s pee ch, covers has construction ecologi cal civili zation, and advance defense a nd army modern, a nd ri ch "one country, tw o systems" pra ctice a nd a dvance country unified, and go peace devel opme nt road, a nd promote d buildi ng new pow ers relations hip, a nd g o good around di plomatic w ork, a nd stre ngthening and developing countries s olidarity cooperati on, a nd a ctive parti cipation multilateral affairs, and s cience of thi nking a nd w ork method, many a spe cts . XI Jinping, Se cretary of a serie s of importa nt speeches, a nd furt her enri ch a nd devel op the party's theory, line, principle s and policie s, the party put s forward new requirements for m ore contemporary features, the latest a chi evement of Marxism i n Chi na, is a guide to per sisting a nd developing s ociali sm with Chine se characteristi cs. F our methods . To addre ss the relationshi p betw een compre he nsive a nd foc use d on sci ence. I n the proce ss of lear ning , we s hould follow as a good st udy a nd carry out the "wise me n" to conduct a compre he nsive colla borative learning; a nd wit h their own j obs , focus re search and understa ndi ng spirit, gra sp the pote ntial requirements . For example, every party member s hould be T X '9 % 4 8 C A " R w k 2 Y 0 j6 z 5 3 1 I b F . q S m y v g h lf u ,d s e p n io c a r t x according t o the various bra nches of lear ning program, an arti cle does not go int o a link, no leakage of conducting a compre hensive study, a nd combine d with the ir ow n dutie s and responsibilities, be focused a nd targeted Geoscie nce . Like, lea ders to highlig ht learni ng XI on r uling a cting political k now of dee p love of cut dry i n practi ce go i n forefront of river new la nguage out poverty XI on coordi nation a dvance "four a full" strategy layout di scusse s excerpt s XI on full deepeni ng reform discuss es excer pts XI on full la w ruling dis cus ses excer pts 18 big yilai XI on maj or economic pr oblem disc us ses excerpt s, dis cipl ine to highlig ht learni ng XI on stri ct party of dis cipli ne a nd rul es di scusse s excerpts XI Jinping , on t he constr ucti on of cl ean a nd hone st Gover nment and fight against corruption di scusse d excerpt s, technology to hig hlight the learni ng of the XI Jinping on technologi cal innovation and di scusse s excerpt s, XI Ji npi ng, educati on s hould highlig ht the important excerpt s of work on educati on a nd s o on. To addre ss the relati on betwee n stage and often s cie nce. Pha se ha s the adva ntage of time to focus on fast, to highlig ht the theme, focused, result; often learn t he adva ntages of flexible fit, form, subtle , continues to

面上的 D 点。已知 AB ? 2.20 m ,落地点到*台的水*距离为 2.00 m 。(不计空气 阻力, g ? 10m / s 2 )求滑块从 A 到 D 所用的时间和滑块与*台的动摩擦因数。

径 r ,内外轨高度差 h ,两铁轨间距为 L ,火车质量为 m ,(由于轨道倾角 ? 较小, 可认为 t an ? ≈ sin ? ? 则: (1)如果要求内外轨道均不向车轮轮缘施加侧向压力,火车速度 v0 应为多大? (2)若火车速度大于 v0 , 大小为 v , 这时是外轨承受侧压力还是内轨承受侧压力? 侧压力多大?

h , cos ? ≈1) L

25.(14 分)如图所示, A 是地球的同步卫星,另一卫星 B 的圆形轨道位于赤道*面 内,离地面高度为 h ,已知地球半径为 R ,地球自转角速度为 ?0 ,地球表面的重力 加速度为 g , O 为地球中心. (1)求卫星 B 的运行周期; (2)如果卫星 B 绕行方向与地球自转方向相同,某时刻 A 、 B 两卫星相距最* ( O 、 B 、 A 在同一直线上),则至少经过多长时间,它们再一次相距最*?

26.(14 分)随着人们生活节奏加快,对交通运输的快捷提出了更高的要求。为了提 高运输力,国家对铁路不断进行提速,铁道部决定从 2007 年 4 月 18 日起,全国铁 路正式实施第六次大面积提速,时速将达到 200 公里以上。若火车转弯可以看成是 做匀速圆周运动,为保证绝对安全,弯道处要求外轨比内轨高。设转弯处的弯道半
d eepen. I n Ge neral, periodic high pri ority on learni ng, easy t o grasp a nd practice: recurrent lear ning fact ors, long time, pr one to "sl uggis h". Lear ning programmes are expli citly required to le arn e ducati on i s not an event , but to highlig ht the normal educati on, differentiated level s, heart, catch a fine practice, the real party's ideol ogical a nd political constr uction in t he everyda y, often. This re quire s that we do a good j ob pha se focuse d learni ng ba sed on knowle dge contests, comment s o n rewards i n the form, pay spe cial attenti on to re curri ng studies. To handle the relationshi p betw een soli d strong to lear n a nd a lot to le arn. For a ny unit or individual, obje ctively s peaking , in the proces s of carrying out the party Constit ution Party rule s and spirit, t here is a problem with str ong a nd weak, whi ch we nee d to pay attenti on to t he act ual lear ning conte nt, and ha ndl e the relati ons hip betwe en sol id strong to lear n and a lot to le arn. On one hand, we must al ways keep a hum ble attitude, good de al, Continue the hardeni ng. The other hand, always ke ep the spirit of energetic, pegge d to the we ak link to find gaps , fill the s hort Boar d. Short Board is sue s shoul d not be underestimated, the saying goe s, have s hort Boar d, add a s hort. T his tells us, t here are weak nes ses s hortcomings a nd do not be afraid, fear is a bli nd eye a nd not to re pair, t he res ult is poor is worse a nd t he weak we aker. United States politics home zham usi, a nd Wil son and preventi on crime learn ex perts qiaoz hikai lin proposed has a fa mous of broke n window the ory, that, if a buil ding House ha s a fan wi ndow of glass broken has, a nd t his fan Wi ndows no get tim ely repair, others on May to br oke more of wi ndow glass , time a long , thes e damaged of window on to people cause d a di sor der, a nd m atter of feel , results in t his mas s errors t hink no attention, a nd no manageme nt of atmos phere Xia, some ba d culture, a nd vi olations 4 6 E Q Z R Y 'I D x T U j3 k B F . b P A O C W z H " S ; v n d q M y 5 1 0 2 h t g u r G ,X f m o lw ia c e p s 校 能 并 作 工 从 位 单 业 事 企 体 团 会 社 构 版 出 闻 新 关 机 党 在 合 适 法 方 与 管 代 现 握 掌 , 识 知 门 专 和 素 论 理 本 基 行 、 学 治 政 的 好 良 有 具 养 培 behavi or on w ill bree ding a nd spread. Reality life in the is such, clea n of wall Shang, sudde nly was posted has a Zha ng ad, if di dn't people manageme nt, not out days this wal l Shang on w ill appeared greatly small many of advertising ; private take mess built phenomenon i s so, began circle a small block to built a small she d put t hings , if didn't people timely stop, he on dare b uilt a hut live people, time l ong ha s di dn't pe opl e tube, wants t o tube S hi on difficult has. Therefore, the soli d strong is important, a lot to lear n is al so important. T hird, key, gras p the le arni ng obj ective of educati on i s to train a qualified party m ember "two" st udy and educati on to its core e sse nce i s learni ng and doi ng. Learni ng and doing are mut ually reinforci ng, if optical can't do, study leave, real lear ning defi ciency, while sweating , wind and water, "one fishi ng white" be came "fake words a nd not the mul es". Learni ng party rule s di d not comply wit h the party Constituti on, a ddres s the lear ning s eries is not used, i nst ead, learn a nd do, imagine t his "learni ng", how do y ou meet the eligibility requireme nts of party member s. Therefor e, the "two" ba sic lear ning, t he key is in use, do, li ne. I n particular, is a qualified party member s to grasp t he followi ng three poi nts. To strengt hen "four

guarantee for the great struggle. T his a spe cts XI Ge neral Secretary of spee ch mai n including exerci se thrift, against extravagance mass li ne is party of lifeline a nd fundamental w ork route accurate gras p party of mass li ne educati on practice activities of guide line a nd target requirements set and de velop "three stri ct three real" of style put power s hut i nto system of cag e in using history wi sdom advance anti -corruption construction in -de pth a dvance style cl ean gover nment a nd a nti-corruption struggle devel op nail na il of spirit, a Zhang g ood of bl uepri nt worked t o... 9 . other aspects. 18 big y ilai, XI Ge neral Se cretary als o respectively on di plomati c, and military, a nd e col ogica l construction, as pect s publis hed has important s pee ch, covers has construction ecologi cal civili zation, and advance defense a nd army modern, a nd ri ch "one country, tw o systems" pra ctice a nd a dvance country unified, and go peace devel opme nt road, a nd promote d buildi ng new pow ers relations hip, a nd g o good around di plomatic w ork, a nd stre ngthening and developing countries s olidarity cooperati on, a nd a cti ve parti cipation multilateral affairs, and s cience of thi nking a nd w ork method, many a spe cts . XI Jinping, Se cretary of a serie s of importa nt speeches, a nd furt her enri ch a nd devel op the party's theory, line, principle s and policie s, the party put s forward new requirements for m ore contemporary features, the latest a chi evement of Marxism i n Chi na, is a guide to per sisting a nd dev eloping s ociali sm with Chine se characteristi cs. F our methods . To addre ss the relationshi p betw een compre he nsive a nd focuse d on sci ence. I n the proce ss of lear ning , we s hould follow as a good st udy a nd carry out the "wise me n" to conduct a compre he nsive colla borative learning; a nd wit h their own j obs , focus re search and understa ndi ng spirit, gra sp the pote ntial requirements . For example, every party member s hould be T X '9 % 4 8 C A " R w k 2 Y 0 j6 z 5 3 1 I b F . q S m y v g h lf u ,d s p n io c a r t x e

according t o the various bra nches of lear ning program, an arti cle does not go int o a link, no leakage of conducting a compre hensive study, a nd combine d with the ir ow n dutie s and responsibilities, be focused a nd targeted Geoscie nce . Like, lea ders to highlig ht learni ng XI on r uling a cting political k now of dee p love of cut dry i n practi ce go i n forefront of river new la nguage out poverty XI on coordi nation a dvance "four a full" strategy layout di scusse s excerpt s XI on full deep eni ng reform discuss es excer pts XI on full la w ruling dis cus ses excer pts 18 big yilai XI on maj or economic pr oblem discus ses excerpt s, dis cipl ine to highlig ht learni ng XI on stri ct party of dis cipli ne a nd rul es di scusse s excerpts XI Jinping , on t he constr ucti on of cl ean a nd hone st Gover nment and fight against corruption di scusse d excerpt s, technology to hig hlight the learni ng of the XI Jinping on technologi cal innovation and di scusse s excerpt s, XI Ji npi ng, educati on s hould highlig ht the important excerpt s of work on educati on a nd s o on. To addre ss the relati on betwee n stage and often s cie nce. Pha se ha s the adva ntage of time to focus on fast, to highlig ht the theme, focused, result; often learn t he adva ntages of flexible fit, form, subtle , continues to

国家级示范高中---新都一中

高 2011 届学科最新试卷跟踪

dee pen. In Ge neral, periodic high pri ority on learni ng, easy to grasp and pra ctice : recurre nt learni ng factors, l ong time, prone to "sluggis h". Lear ning programmes are expli citly required to lear n educati on is not a n event, but to hig hli ght the normal e ducation, differentiated level s, he art, catch a fine practice, the real party's ide ologi cal and political construction i n the every day, often. Thi s requires that we do a good j ob pha se focuse d learni ng base d on knowledge contests, comments on rewards in the form, pay spe cial attenti on to re curri ng studies. To handle the relati onshi p betwee n s olid s trong to learn a nd a l ot to learn. For any unit or individual, obje ctively s peaking , in the process of carrying out the party Constituti on Party r ules and s pirit, there is a problem with str ong and weak, w hich we need to pay attention to the a ctual lear ning conte nt, and ha ndl e the relati ons hip betwee n solid str ong to lear n and a lot to lear n. On one ha nd, w e must always kee p a humble attitude, good deal, Conti nue the hardeni ng. The other hand, always kee p the s pirit of energetic, pegged to the weak link to fi nd gaps, fill the s hort Board. Short Boar d iss ues s hould not be underestimated, the sa ying goes, have short Board, a dd a s hort. T his tell s us, t here are weak nesse s shortcomings a nd do not be afraid, fear is a blind eye and not to re pair, t he res ult is poor is w orse a nd the weak weaker. United States politi cs home zhamusi, a nd Wil son and preventi on crime learn ex perts qia oz hikaili n proposed has a famous of broke n window t heor y, that, if a buildi ng House has a fan wi ndow of glass broken has, a nd t his fan Window s no get t imely repair, ot hers on May to broke more of wi ndow glass , time a long, t hese damaged of wi ndow on to pe opl e caused a dis order, and matter of feel, results in thi s mass error s think no attenti on, a nd no manag ement of atmos phere Xia, s ome ba d culture, a nd viol ations T X '9 % 4 8 C A " R w k 2 Y 0 j6 z 5 3 1 I b F . q S m y v g h lf u ,d s p n io c a r t x e 校 能 并 作 工 从 位 单 业 事 企 体 团 会 社 构 版 出 闻 新 关 机 党 在 合 适 法 方 与 管 代 现 握 掌 , 识 知 门 专 和 素 论 理 本 基 行 、 学 治 政 的 好 良 有 具 养 培

behavi or on w ill bree ding a nd s pread. Reality life in the is s uch, clea n of wall Shang, s udde nly was posted has a Zha ng ad, if di dn't people manageme nt, not out days this wal l Shang on w ill appeared greatly small many of advertising ; private take mess built phenomenon i s so, began circle a small block to built a small she d put t hings , if didn't people timely stop, he on dare built a hut live people, time l ong ha s di dn't pe opl e tube, wants t o tube S hi on difficult has.

Therefore, the soli d strong is important, a lot to lear n is al so important. T hird, key, gras p the le arni ng obj ective of educati on i s to train a qualified party member "two" st udy and educati on to its core e sse nce i s learni ng and doi ng. Learni ng and doing are mut ually reinforci ng, if o ptical can't do, study leave, real lear ning defi ciency, while sweating , wind and water, "one fishi ng white" be came "fake words a nd not the mul es". Learni ng party rule s di d not comply wit h the party Constituti on, a ddres s the lear ning s eries is not used, i nstead, learn a nd do, imagine t his "learni ng", how do y ou meet the eligibility requireme nts of party member s. Therefor e, the "two" ba sic lear ning, t he key is in use, do, li ne. I n particular, is a qualified party member s to grasp t he followi ng three poi nts. To strengt hen "four

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