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Impulse and momentum (id: 65d769c3b)

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admin 发表于 2024-8-7 16:32:34 | 显示全部楼层 |阅读模式
本题目来源于试卷: Impulse and momentum,类别为 美国物理杯赛(Physics Bowl)

[单选题]
15.12: A box of mass 12.0 kg is being pushed to the( -de ang4lho) right across 3:ju ik.ya :eaa 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 best represeni:. 3a :jkeuyats the magnitude of the linear momentum of the box at this instant?

A. 6.00 kg m/s
B. 8.50 kg m/s
C. 12.0 kg m/s
D. 17.0 kg m/s
E. 24.0 kg m/s


参考答案:  D


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