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习题练习：Impulse and momentum
本习题练习试卷来源于无忧得胜-网上国际课程 (https://5edu.win)， 为试卷打印版，您也可以在网站平台(https://5edu.win/)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://5edu.win/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, trave v hc,ck5vmy3a:6 qas4ling at speed v, stops in time t when maximum braking force is applied. Assuming the braking force5a3acs ,mq46yck hvv: 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 w7w(d7 +m bzbh7.zg evnm b/4aalso doublem( e/4.hbzadg+ zv7n77bwwmbd.

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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 1lzvvo+oj)z8a3/j+l wv)wk h$\Delta$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 cj34tgpe9hqm f*,hbp0 y 39ezly associated with the following observation about an isolated object: “The linear momentum of the object is constant.”94 0g39t mpqec3*bjyh zpe,fh?

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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 al- *:s;1 c+mflypermz7 aj;zuqways in the same direction a; jzz efa+ m-mcrpq7* ly:u;s1s 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 produce a change in momentum of 2wmo+ 4hba u/ 8r.w*1yk rr-cfc00 kg.mco* cu4wwrmra b ryf1.+8/hk-/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 same momentum. Q can h*yp go71k.40 hlzyop mave more kinetic energy than P if itlz 0y k4omp1 *gyhpo7.:

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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 speed of 6.0 m/s co a3 )bj)ghsh/ zy+xg)nllides perpendicularly with a wall and bounces off with a speed of 4.0 m/s in the opposite direction. What is the magnitude of tgb3+xnjyh a))g /)zhshe impulse acting on the ball?

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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 gymnastc)wrwjc:ng9r2;qjvj 7 mq8x 4 falls freely from a height of 4 meters on to a trampoline. The trampoline then bounces her back upward with a speed equal to the speed at which she first struck the trampoline. What is the average force the9nxrrvqj ;:q2w7 )ccj 8wj4gm 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 collis*- btwdlita *;ion in space. The mass’s speed was unchanged, but the direction ofat i;db*tw* l- its velocity 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 ihi,0j9bn, k zms in contact with the ball for a time of 0.03 seconds. The ball travels in a straight line as k9bjh z i,nm0,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 the 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 gc.2x zsk9 8rdbta)u n3xx6/pmg ;*pq j has atotal kinetic energy of 100.0 J and an x-component of linear momentum equal to 24.0 kg.m/s. The object is moving in the x-y plane. What is they-component of the object’s linear momentu)ur p. sd; 3*9tkj c/xn6mgbqza82xpx m?

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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 objectu r.ha:cd-kg . r-n,txhplu8: of mass M moves with velocity V, has acceleration a, and ig hc knur .l :p-,:ux-.a8trhds at position (x,y). In what direction must the linear momentum 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 fall*,ov : kg *h3djo n)ci*mxe.5hcc4wauing straight downward hits the 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 balc)ch *k *ne3m4 g5,c xdu.jw *ooh:vail 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 balld00 g xlv08gbf of mass 2.0 kg falling straight downward hits the ground with a speed of 0.90 m/s and then rebounds straight upwd00gf 8bvl 0gxard with a speed of 0.60 m/s. 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 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 massb2g72fdxdg5uj/5vy i 5.0 kg is being pushed to the right across a horizontal surface while a constant frictional force of 8.0 N acts on the box. At some instant of v2dj ub/7f dg25i x5gytime, 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 pushed to the right acrossxn37jdoar)e* +a.qp r5lf r uab(0kl8.gu7 l i a horizontal surface. When the box has 12.0 J of kinetic energy, a 12.0 N net force acts on it. Which one of the following choices l*7ol k a.lprjq)rda7i e u.f nxg53b +8ra(0ubest 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
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