2022年2016届高三一轮复习曲线运动测试题及详细解析 .pdf

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1、vip 会员免费20XX届高三一轮复习曲线运动测试题一、单项选择题：本大题共5 小题，每小题6 分。共 30 分。在每小题给出的四个选项中，只有一个选项符合题目要求，选对的得6 分，选错或不答的得0 分。14、关于匀速圆周运动的说法，正确的是()A.匀速圆周运动的速度大小保持不变，所以做匀速圆周运动的物体没有加速度B.做匀速圆周运动的物体，虽然速度大小不变，但方向时刻都在改变，所以必有加速度C.做匀速圆周运动的物体，加速度的大小保持不变，所以是匀变速曲线运动D.匀速圆周运动一定是匀速运动15如图所示，一物体自倾角为的固定斜面顶端沿水平方向抛出后落在斜面上。物体与斜面接触时速度与水平方向的夹角满

2、足A.tan=sinB.tan=cosC.tan=tanD.tan=2tan16如图所示，水平面上的小车向左运动，系在车后缘的轻绳绕过定滑轮，拉着质量为m的物体上升。若小车以1v的速度匀速直线运动，当车后的绳与水平方向的夹角为时，物体的速度为2v，绳对物体的拉力为T，则下列关系式正确的是（）A12vv B12cosvvCmgT DmgT17、船在静水中的速度与时间的关系如图甲所示，河水的流速与船离河岸的距离的变化关系如图乙所示，河宽为300m，则当船沿渡河时间最短的路径渡河时()A船渡河的最短时间是60 sB要使船以最短时间渡河，船在行驶过程中，船头必须始终与河岸垂直C船在河水中航行的轨迹是一

3、条直线D船在河水中的最大速度是 7 m/s vip 会员免费18.一带有乒乓球发射机的乒乓球台如图所示。水平台面的长和宽分别为1L和2L，中间球网高度为h.发射机安装于台面左侧边缘的中点，能以不同速率向右侧不同方向水平发射乒乓球，发射点距台面高度为3h。不计空气的作用，重力加速度大小为g。若乒乓球的发射速率v 在某范围内，通过选择合适的方向，就能使乒乓球落到球网右侧台面上，则v 的最大取值范围是（）A.11266Lggv LhhB.22121446LLgLgvhhC.22121412626LLgLgvhhD.2212141426LLgLgvhh二、不定项选择题：本大题共3 小题，每小题 6 分

4、，共 18 分。在每小题给出的四个选项中，有两个选项符合题目要求，全部选对得6 分，只选 1 个且正确的得3 分，有选错或不答的得0 分。19、如图，x 轴在水平地面内，y 轴沿竖直方向。图中画出了从y 轴上沿 x 轴正向抛出的三个小球 a、b 和 c 的运动轨迹，其中b 和 c 是从同一点抛出的，不计空气阻力，则A.a 的飞行时间比b 的长B.b 和 c 的飞行时间相同C.a 的水平速度比b 的小D.b 的初速度比c 的大20、如图，两个质量均为m的小木块a 和 b（可视为质点）放在水平圆盘上，a 与转轴 OO的距离为L，b 与转轴的距离为2L。木块与圆盘的最大静摩擦力为木块所受重力的k 倍

5、，重力加速度大小为g。若圆盘从静止开始绕轴缓慢地加速转动，用表示圆盘转动的角速度，下列说法正确的是（）Ab 一定比 a 先开始滑动 Ba、b 所受的摩擦力始终相等C=lkg2是 b 开始滑动的临界角速度 D 当=lkg32时，a 所受摩擦力的大小为kmg a b c x y O 文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N

6、10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8

7、B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码

8、:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K

9、6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z

10、6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D

11、8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L

12、7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8vip 会员免费21、如图所示，放置在水平地面上的支架质量为M，支架顶端用细线拴着的摆球质量为m，现将摆球拉至水平位置，静止释放，摆球运动到最低点过程中，支架始终不动，以下说法正确的是（）A在释放瞬间，支架对地面压力为()mM gB摆球运动到最低点过程中支架受到水平地面的摩擦力先增加后减小C摆球到达最低点时，支架对地面压力为()mM gD摆球到达最低点时，支架对地面压力为(3)mM g三、非选择题：本大题共4 小题，共 62 分。按题目要求作答。解答题应写出必要的文字说明、方程式和重

13、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。22、(13 分)如图所示，小球Q在竖直平面内做匀速圆周运动，半径为r，当球 Q运动到与O在同一水平线上时，有另一小球P在距圆周最高点为h 处开始自由下落要使两球在圆周最高点处相碰，Q 球的角速度 应满足什么条件？23、（14 分）如图所示，倾角为37的粗糙斜面AB底端与半径R0.9m 的光滑半圆轨道BC平滑相连，O为轨道圆心，BC为圆轨道直径且处于竖直方向，A、C两点等高质量m 4.05kg的滑块从A点下滑，已知滑块离开C处的速度大小为310m/s，求：（g=10m/s2）（1）滑块在C点对轨道的压力（2）滑

14、块从C点飞出至落到斜面上的时间m M 文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7

15、 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N1

16、0B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B

17、8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:

18、CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6

19、K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6

20、 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8vip 会员免费24、（18 分）如图所示，一质量 m=1kg的小物块(可视为质点)从 A点以大小 v0=4m/s 的初速度沿切线

21、进入光滑圆轨道AB，经圆弧轨道后滑上与B点等高、静止在粗糙水平地面的长木板上，圆弧轨道 B端切线水平。已知长木板的质量M=1kg，A、B两点的竖直高度为h=1.0m，AO与 BO之间夹角=37O，小物块与长木板之间的动摩擦因数1=0.5，长木板与地面间的动摩擦因数2=0.2，sin37O=0.6，cos37O=0.8。求：（1）小物块运动至B点时的速度v1大小；（2）小物块滑动至B点瞬间所受的支持力；（3）长木板至少为多长，才能保证小物块不滑出长木板？33【选修 3-3，不建议做】（1）（6 分）对于一定量的理想气体，下列说法正确的是_。（选对一个给3 分，选对两个给4 分，选对 3 个给 6

22、 分。每选错一个扣3 分，最低得分为 0 分）A若气体的压强和体积都不变，其内能也一定不变B若气体的内能不变，其状态也一定不变C若气体的温度随时间不段升高，其压强也一定不断增大D气体温度每升高1K 所吸收的热量与气体经历的过程有关E当气体温度升高时，气体的内能一定增大（2）（9 分）如图，一上端开口，下端封闭的细长玻璃管，下部有长l1=66cm 的水银柱，中间封有长l2=66cm 的空气柱，上部有长l3=44cm 的水银柱，此时文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8

23、文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:C

24、T10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K

25、4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6

26、HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P

27、2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7

28、ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10

29、B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8vip 会员免费水银面恰好与管口平齐。已知大气压强为Po=76cmHg。如果使玻璃管绕低端在竖直平面内缓慢地转动一周，求在开口向下和转回到原来位置时管中空气柱的长度。封入的气体可视为理想气体，在转动过程中没有发生漏气。34【物理 选修 3-4，不建议做】（1）振动周期为T，振幅为 A，位于 x=0 点的波源从平衡位置沿y 轴正向开始做

30、简谐振动，该波源产生的一维简谐横波沿x 轴正向传播，波速为，传播过程中无能量损失，一段时间后，该振动传播至某质点p，关于质点p 振动的说法正确的是_。A振幅一定为A B周期一定为T C速度的最大值一定为v D开始振动的方向沿y 轴向上活向下取决于它离波源的距离E若 p 点与波源距离s=vT，则质点p 的位移与波源的相同（2）一半圆柱形透明物体横截面如图所示，地面AOB 镀银，（图中粗线），O 表示半圆截面的圆心，一束光线在横截面内从M 点的入射，经过 AB 面反射后从N 点射出，已知光线在M 点的入射角为30，MOA=60，NOB=30。求（i）光线在M 点的折射角（ii）透明物体的折射率35

31、、【物理 选修 3-5，要求必须做】（17 分）如图所示，一根长0.1 m 的细线，一端系着一个质量为0.18 kg 的小球，拉住线的另一端，使小球在光滑的水平桌面上做匀速圆周运动，使小球的转速很缓慢地增加，当小球的转速增加到开始时转速的3 倍时，细线断开，线断开前的瞬间线受到的拉力比开始时大40 N，求：(1)线断开前的瞬间，线受到的拉力大小；(2)线断开的瞬间，小球运动的线速度大小；(3)如果小球离开桌面时，速度方向与桌边缘的夹角为60，桌面高出地面0.8 m，求小球飞出后的落地点距桌边缘的水平距离.文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编

32、码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10

33、K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3

34、Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2

35、D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9

36、L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7

37、N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X

38、8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8vip 会员免费答案14、选 B【解析】速度和加速度都是矢量，做匀速圆周运动的物体，虽然速度大小不变，但方向时刻在改变，速度时刻发生变化，必然具有加速度.加速度大小虽然不变，但方向时刻改变，所以匀速圆周运动是变加速曲线运动.故本题选 B 15、选D【解 析】

39、根 据 平 抛 规 律2000012tan;tan2ygtvygtgtxv tvvv，所 以t an2 t a n16、选D【解析】小车的运动可分解为沿绳方向和垂直于绳的方向两个运动，由题意中夹角为文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7

40、N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X

41、8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编

42、码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10

43、K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3

44、Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2

45、D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9

46、L7 ZR7N10B1X8B8vip 会员免费，由几何关系可得：v2=v1cos，因 v1不变，而当 逐渐变小，故v2逐渐变大，物体有向上的加速度，当物体加速上升时，处于超重状态，Tmg，故 D正确，ABC错误；故选：D 17、答案B【解析】要使船以最短时间渡河，船在行驶过程中，船头 必 须 始 终 与 河 岸 垂 直，故B 选 项 正 确.最 短 时 间 为min3003cdtvs=100s，故 A选项错误，由乙图知水流的速度随着河宽发生变化，故小船的合速度也是变化的，故船在河水中航行的轨迹是曲线，轨迹如图。选项C错误。船在河水中的最大速度为：222234csvvvm/s=5m/s，故 D选

47、项错误。18、选 D 选19、选 BD【解析】20XX年全国 I 卷考题，平抛运动的时间取决于高度，由图可知bcattt，平抛运动的水平射程取决于初速度和下落时间，abcvvv20、选AC【解 析】20XX 年 全 国I卷 考 题，木 块a滑 动 的 临 界 速 度 满 足 关 系2,aakgmlkmgl即，同理木块b滑动的临界速度满足关系22,2bbkgmlkmgl即，C对。由于两木块能允许的最大静摩擦力相等，所以b 会先到达临界速度，A对；在两者都没有滑动之前，静摩擦力提供向心力，b 的向心力是a 的两倍，B错；文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X

48、8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编

49、码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10

50、K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3Z6 HY2D8P2R9L7 ZR7N10B1X8B8文档编码:CT10K6K4U3