本题目来源于试卷: Work Energy and Power，类别为 美国物理杯赛(Physics Bowl)
[单选题]
07.06: A 500-kg car tbspl(,-quze z - dg:9is moving at 28 m/s. The driver d.ax(f,x zln0rx,nn,* 9v eq hsees a barrier ahead. If the car takes 95 meters to come to rest, what is the magnitude of the*,.lq0 ,,9v xrxnxa zdh(fnen minimum average net force necessary to stop?
A. 47.5N
B. 1400N
C. 2060N
D. 19600N
E. 13300N
参考答案: C
本题详细解析:
暂无
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