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2015-2016学年高一下学期期中考试物理试题.pdf

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1、20152016 学年度第二学期高一物理期中试卷2016.4.27 出卷人杨世乐满分：100 分考试时间：100 分钟第卷（选择题共 48 分）一、单项选择题（本题共 8 小题，每小题 3 分，共 24 分）.1关于匀速圆周运动，下列说法中正确的是（）A匀速圆周运动就是匀速运动B匀速圆周运动的线速度不变C匀速圆周运动的向心加速度不变D匀速圆周运动实质是变加速曲线运动2洗衣机的甩干筒在转动时有一衣物附在筒壁上，如右图，则此时（）A衣物受到重力、筒壁的弹力、摩擦力和向心力的作用B衣物随筒壁做圆周运动的向心力是由于摩擦的作用C筒壁的弹力随筒的转速增大而增大D筒壁对衣物的摩擦力随转速增大而增大3如图所

2、示，当用扳手拧螺母时，扳手上的P、Q两点的角速度分别为P和Q，线速度大小分别为P和Q，则（）APQ，PvQv BP=Q，PvQvCPQv4下列说法正确的是（）A开普勒发现了行星的运动规律并据此推广出了万有引力定律B牛顿借助万有引力定律发现了海王星和冥王星C卡文迪许第一次在实验室里测出了万有引力常量，因此被誉为称量地球质量第一人D据万有引力公式FGm1m2r2，当两物体间的距离趋近于0 时，万有引力趋近于无穷大5中国计划于2020 年发射火星探测器，探测器发射升空后首先绕太阳转动一段时间再调整轨道飞向火星火星探测器的发射速度（）A等于 7.9m/s B大于 16.7m/sC 大于 7.9m/s

3、且小于 11.2m/s D 大于 11.2m/s 且小于 16.7m/s6高中生小明骑自行车以5m/s 的速度沿平直公路匀速行驶，若骑行过程中所受阻力恒为车和人总重的0.02 倍，取重力加速度g=10m/s2。根据估算，小明骑此自行车做功的平均功率最接近的数值是（）A 8W B 80W C 800W D 8kW7 关于重力做功和重力势能，下列说法正确的是（）A.重力做功与物体运动的路径有关B.重力对物体做负功时，物体的重力势能一定减小C.重力势能为负值说明物体在零势能面以下文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH

4、8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3

5、B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:

6、CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6

7、HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 Z

8、K3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编

9、码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X

10、6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7D.重力势能的变化与零势能面的选取有关8小明同学在学习中勤于思考，并且善于动手，在学习了圆周运动知识后，他自制了一个玩具，如图所示，用长为r的细杆粘住一个质量为m的小球，使之绕另一端O在竖直平面内做圆周运动，小球运动到最高点时的速度vgr/2，在这点时（）A小球对细杆的压力是mg2 B小球对细杆的拉力是mg2是mgC小球对细杆的拉力是3mg2 D 小球对细杆的压力二、多项选择题(本题

11、共 6 小题，每小题 4 分，共 24分)9已知引力常量为G,根据下列所给条件能估算出地球质量的是（）A.月球绕地球的运行周期T和月球中心到地球中心间距离RB.人造地球卫星在地面附近运行的速度v和运行周期TC.地球绕太阳运行的周期T和地球中心到太阳中心的距离RD.地球半径R和地球表面重力加速度g10我们国家在1986 年成功发射了一颗实用地球同步卫星，从1999 年至今已几次将”神州”号宇宙飞船送入太空，在某次实验中，飞船在空中飞行了36h,环绕地球 24 圈。则同步卫星与飞船在轨道上正常运转相比较()A卫星运转周期比飞船大 B卫星运转速度比飞船大C卫星运加转速度比飞船大 D卫星离地高度比飞船

12、大11.关于功率,以下说法中正确的是:（）文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3

13、B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:

14、CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6

15、HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 Z

16、K3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编

17、码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X

18、6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7A.根据 P=tW可知，机器做功越多，其功率就越大B.根据 P=Fv可知，当发动机的功率保持不变的时候，汽车速度的大小与牵引力成反比C.根据 P=tW可知，只要知道时间t 内机器所做的功，就可以求得这段时间内任一时刻机器做

19、功的功率D.功率大表示做功快，也就是在单位时间内做的功多12下列关于机械能是否守恒的叙述中正确的是（）A.做匀速直线运动的物体机械能一定守恒B.做匀变速运动的物体机械能可能守恒C.系统内只有重力和弹簧弹力做功时，系统的机械能一定守恒D.外力对物体做功为零时，物体的机械能一定守恒13下列说法正确的是（）A、物体的动能发生变化，速度一定变化 B、物体的速度发生变化，动能一定变化C、物体的合外力做了功，动能一定变化 D、物体的动能增大时，势能一定减小14、某人在倾角为30的斜面上用平行于斜面的力，把静止在斜面上质量为2kg 的物体，沿斜面向下推了2m的距离，并使物体获得1m/s 的速度，已知斜面体始

20、终未动，物体与斜面间的动摩擦因数为33，g取 10m/s2，则在这个过程中（）A支持力做功为20 3JB当物体速度为 1m/s 时，物体重力做功的瞬时功率为10W文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J

21、1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5

22、G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X

23、7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L

24、3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9

25、L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T

26、6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7C物体克服摩擦力做功40 33JD物体重力势能减小20J第卷（共 52 分）三、简答题，本题共2 小题

27、，共 12 分，把答案填在横线上或按题目要求作答15（4 分）飞机做特技表演时，常做俯冲拉起运动，如图所示，此运动在最底点附近可看作是半径为500m的圆周运动。若飞行员的质量为 65，飞机经过最底点时的速度为360Km/h，则这时飞行员对座椅的压力为 _N。（g=10m/s2）16（8 分）为探究物体在下落过程中机械能是否守恒，某同学采用的实验装置如图所示（1）其设计方案如下：让质量为m的立方体小铁块从开始端自由下落，开始端至光电门的高度差为h，则此过程中小铁块重力势能的减少量为；测出小铁块通过光电门时的速度v，则此过程中小铁块动能增加量为；比较这两个量之间的关系就可得出此过程中机械能是否守恒

28、（已知当地重力加速度大小为g）（2）具体操作步骤如下：A用天平测定小铁块的质量m；B用游标卡尺测出立方体小铁块的边长d；C用刻度尺测出电磁铁下端到光电门的距离h（hd）；D电磁铁先通电（电源未画出），让小铁块吸在开始端；文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L

29、5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6

30、X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10

31、L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G

32、9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7

33、T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M

34、10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7E断开电源，让小铁块自由下落；F计时装置记录

35、小铁块经过光电门所用时间为t，计算出相应速度v；G 改变光电门的位置，重复C、D、E、F等步骤，得到七组（hi，vi2）数据；H将七组数据在v2h坐标系中找到对应的坐标点，拟合得到如图所示直线上述操作中有一步骤可以省略，你认为是（填步骤前的字母）；计算小铁块经过光电门时的瞬时速度表达式v=（3）根据v2h图线，就可以判断小铁块在下落过程中机械能是否守恒四、本题共 4 小题，共 40 分解答时写出必要的文字说明、方程式和重要的演算步骤，只写出最后答案的不能得分有数值计算的，答案中必须明确写出数值和单位17（8 分）汽车行驶在半径为50m的圆形水平跑道上，速度为10m/s。已知汽车的质量为 100

36、0 kg，汽车与地面的最大静摩擦力为车重的0.8 倍。问：（g=10m/s2）（1）汽车的角速度是多少（2）汽车受到向心力是多大？（3）汽车绕跑道一圈需要的时间是多少？（4）要使汽车不打滑，则其速度最大不能超过多少？18（10 分）物体在地面附近绕地球做匀速圆周运动的速度叫做第一宇宙速度，地球自转较慢可以忽略不计时，地表处的万有引力约等于重力，这些理论关系对于其它星体也成立。若已知某星球的质量为M、半径为R，在星球表面某一高度处自由下落一重物，经过t时间落到星表面，不计星球自转和空气阻力，引力常量为G。求：（1）该星球的第一宇宙速度v；（2）物体自由下落的高度h。19（10 分）如图所示，把一

37、个质量为m的小球用细线悬挂起来，文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T

38、6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M1

39、0L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4

40、G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X

41、7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4

42、M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8

43、W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7就成为一个摆，摆长为L，如图所示。现将小球拉至A点由静止释放，在A点时细线与竖直方向的夹角为(100)重力加速度为g不计空气阻力求：（1）小球运动到最低点O位置时速度多大？此时线受到的拉力多大？（2）当小球回到A 点时，如果沿切线方

44、向给小球一个瞬时速度，其大小为0，则小球运动到最低点O位置时线恰好被拉断，则线能承受的最大拉力为多大？20(12 分)水上滑梯可简化成如图所示的模型：倾角为=37斜滑道 AB和水平滑道BC平滑连接，起点A距水面的高度H=7.0m，BC长d=2.0m，端点C距水面的高度h=1.0m.一质量m=50kg 的运动员从滑道起点A点无初速地自由滑下,不计空气的阻力（取重力加速度g=10m/s2，cos37=0.8，sin37=0.6，运动员在运动过程中可视为质点）（1）若假设运动员与AB、BC间没有摩擦力，求运动员到达C点时速度的大小。（2）若运动员与AB、BC间有摩擦力，且动摩擦因数均为=0.10求运

45、动员从A滑到C的过程中克服摩擦力所做的功为多少？，运动员到达C点时速度的大小又为多少？（3）在第（2）问的前提下，保持水平滑道端点在同一竖直线上，调节水平滑道高度h和长度d到图中BC位置时，运动员从滑梯平抛到水面的水平位移最大，求此时滑道BC距水面的高度h.20152016 学年度第二学期期中考试高一物理试卷 (答题纸)2016.4文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M1

46、0L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4

47、G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X

48、7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4

49、M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8

50、W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B4X7T6X7文档编码:CC4M10L3J1X6 HH8W4G9L5G3 ZK3B

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关键词：: 2015 2016 学年一下学期期中考试物理试题

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