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 1 agpi 0q nb:9)qfl3v (iqckd.:2.0 kg is being pushed to the right across aw11 aas5vjx h0r 8zop, 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 followi5v1 p80 sawjo ,hrxa1zng choices best represents 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
本题详细解析:
暂无
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