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习题练习：Impulse and momentum
本习题练习试卷来源于题库网 (https://tiku.one)， 为试卷打印版，您也可以在网站平台(https://tiku.one/)直接 访问本试卷的在线电子版并查看正确答案与解析，搜藏保存任意题目到收藏集。 访问方法: 平台首页左上角"通过试卷号快速访问"输入试卷号 506，并点击直达试卷；或浏览器地址栏内直接输入本试卷链接 https://tiku.one/test506.html  教师使用本平台可以抽题组卷或一键复制他人试卷，布置为在线考试或在线作业，全自动判分成绩一键排序导出，省时省力。
 作者: admin  发布日期: 2024-08-07 16:03    总分: 17分  得分: _____________

答题人: 游客未登录  开始时间: 24年08月07日 15:54  切换到: 整卷模式

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1#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  94.16: A car of mass m, traveling atnlw)u os82r11p *b h uqnw*4wj speed v, stops in time t when maximum braking force is applied. Assuming 4h11wqn)wu u2*wlj8*rnbpsothe braking force is independent of mass, what time would be required to stop a car of mass 2m traveling at speed v?

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2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  96.04: When the velocity of a moving object is doubled, its_______is b2qoc kt yx*w6g(5oa+ also doublegkqwto2y x+ab *o6 (c5d.

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  96.06: Impulse, Fnet e8ofuf(f ktvsh+l4ovu4- 5 8n$\Delta$tis best related to:

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4#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  17.05: Which one of the following choices is most close*qtcn lvrpfe,:/ 92tcly associated with the following observation about an isolated object: “The linear momentum of the ob9*,vpcfrcnq :/tel2t ject is constant.”?

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5#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  17.21: The change in linear momentum of an object is ar+7 lgcs1di5m-(:v4. hkdy*miarplx lways in the same direction ak1mc iavm:*si 7-lxpd5yl+gr.( 4h rds the

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6#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  95.08: How long must a 100 N net force act to produakhg.fmr x6tw..o1pt uk* /o:ce a change in momentum of 200 kg.mt 1 h/u6.ot: ..kmgorxf *akwp/s?

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7#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  95.29: P and Q have the sa/ i8rjy6k6 0 gnm 0mfph*j.waxme momentum. Q can have more kinetic energy than P if ik0f m6.6h8 yiwjrjn pg*a/ mx0t:

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  98.26: A ball with a mass of 0.50 kg and a spee m 85l)jvyg*(p, -xe /k8r 3ovebpoapwd of 6.0 m/s collides perpendicularly with a wall and bounces off with a speed of 4.0 m/s in the opposite direction. What is the magnitude of the impulse acting on the ball5e8o 3*/ bk8p(r meg,vpxpwy) ajlo-v?

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9#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  01.08: A 50 kilogram gymnast falls freely from a height of 4 metexq;*fs 6v qqmy+)sb7y8u hl. nrs on to a trampoline. The trampoline then bounces her back upward with a speed equal to the speed at which .buhlxysf+n 7m6v;qq s* 8q) yshe first struck the trampoline. What is the average force the trampoline applies on the gymnast?

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10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  17.27: A 2.0 kg mass moves at 10.0 m/s when it has a collision in space. The mabxw;* +9dkccr ss’s speed was unchanged, but the direction of its velocity * +9;bkrdcwxc was altered by $80^{\circ}$. If the collision lasted 0.25 s, what was the magnitude of the average force exerted on the mass?



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11#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  05.13: A bat striking a 0.125 kg-baseball is in contact with the ball for a tziqnod/fybkp (1o+ww4zk2 2 3 ime of 0.03 seconds. The ball travels in a straight line as it approaches and then leaves the bat. If the ball arrives at the bat with a velocity of 4.5 m/s and leaves with a velocity of-6.5 m/s, what is the magnitude of the average force acting on 3bkqw 2pn o1f2(z odzik/4+ ywthe ball?

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  15.43: An object of mass 4.0 g has atotal kinetic energy of 100:dmmcpv g9nu432l-zv .0 J and an x-component of linear momentum equal to dcz3mvl 2nmugp 9v- :424.0 kg.m/s. The object is moving in the x-y plane. What is they-component of the object’s linear momentum?

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13#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  13.05: At an instant of time t, a point object of mass M moves with velocity V,lgr my: syjc ds ./jht3.b.4r5 has acceleration a, and is at position (x,y). In what direction must the linear momentum:y4d5b/j3 cy. jr .s gs.hlrtm of the object be directed at this instant?

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14#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  10.32: A rubber ball of mass 2.0 kg falling straight 3xngw.iu : 1i 8h1tlcmdownward hits the ground with a speed of 0.90 m/s and then rebounds straight upward with a speed of 0.60 m/sh1xin:ti. 31 8mcgw ul. The collision time of the ball with the ground is 0.25 s. Treat g = 10 N/kg.
What is the magnitude of the average acceleration (in units of $m/s^{2}$ ) of the ball while it is in contact with the ground?

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  10.33: A rubber ball of mass 2.0 kg falling straight downward hits theo6,29nnk8 9hc5x ynkk srbs0l ground with a speed of 0.90 m/s and then rebounds straight upward with a speed of 0.60 m/s. The collision time of the ball with the ground icn k5h0s9, k9k6on8yxsbn l2rs 0.25 s. Treat g = 10 N/kg.
What is the magnitude of the average force (in units of Newtons) exerted by the ground on the ball while they are in contact?

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16#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  14.12: A box of mass 5.0 kg is being pushed to the right acromi b t24zj;nyq 5w8 v2mkca,1css a horizontal surface while a constant frictional force of 8.0 N acts on the box. At some mbcm2cv,aiz85142;yw jtknq instant of time, the box has a speed of 4.0 m/s and an acceleration of$3.0\; m/s^{2}$ . What is the magnitude of the net force acting on the box at this instant?

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17#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  15.12: A box of mass 12.0 kg is being pus-a 6-jr,irm:8z zquf hhed to the right across a horizontal surface. When the box has 12.0 J of kinetic enef jra6,qzuhmi8- z-:rrgy, a 12.0 N net force acts on it. Which one of the following choices best represents the magnitude of the linear momentum of the box at this instant?

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  • 姓名:游客(未登录)
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    总分:17分 及格:10.2分 时间:不限时
    未答题: 已答题:0 答错题:
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