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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, travelin+uuo:2,nmzawy m2 tk2g at speed v, stops in time t when maximum braking force , mnz:y2uo+u2tak2 mw is applied. Assuming the 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_______isz z.y15:vh j(enamj z) also doubled.y z ) z1vz:ajmne.5hj(

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  96.06: Impulse, Fneymw(wdzv jf++qt 0n+3 t $\Delta$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 closely associated with tht.ju z6m/l2djo( nnc :e fol 6 ./tzj (m2l:ocdjunnlowing observation about an isolated object: “The linear momentum of the object 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 always 2lxt+ui0 /c tpin the same directioli 2u0pt txc/+n as 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/wi 1 ogi iurlra c53whi5j838 200 kg.m/i/u 5 iwc 5jla3rw8o gi18ri3hs?

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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 th nh8a(gcd31id bqm8m6 e same momentum. Q can have more kinetic energy than P if igmbd8 8a3hic d qnm(16t:

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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/2fczjnz urgtim 8k c/m3 : 2s52prn,y: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 a tpf:szrm5/m jck,2 8:32ncurig 2zyncting 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 gymnast falls freely from a height of 4 meters on trn9y 4;;6khvxx)ldi io 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 the trampoline applies9;y6x ;4lk)h ridnvxi 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 masgsklyki92 o)7qn0kjz, (cpv8 s’s speed was unchanged, but the direction of its vel yo s9(kljv 8nz)ikkp, 70cqg2ocity 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 strikin;f7fmk dv7w-dg a 0.125 kg-baseball is in contact with the ball for a time of 0.03 seconds. Thmv;7fd7w d- fke 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 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 g has atotal kinetii6s )t.vuy , phlv+/ vvkp91 m.5gnpqvj92 kslc 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 liv+ kns612pg hqv,l9 .vptviv )lus.yk5j9mp/near 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 obvq5* r,m7qfuj*tk; teject of mass M moves with velocity V, has acceleratior,qe*;* 7tqvtj mfk5u n a, and is 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 ballkop7t:vy5 z: yp+ph/l of mass 2.0 kg falling 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 t 7p+t/kzoy :l:vy hp5pime 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 straigh8 ::kjfc ir k,xzoa/7yt 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 col7k:j c/a,fo rk:yi8zxlision 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 mass 5.0 kg is being pushed to the right across a horz ./: 7foaulsvizontal surface while a constant frictional force of 8.0 N acts on the box. :oz/uls.v f7a At some 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 pushed to the right across a horizomn.4+ksa 7ze tjzgt7t;s0u+ j ntal 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 best represents the magnitude of the linear momentum of the box au nzt.z;7e s+t0maj+ks4j t 7gt 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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