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]
94.16: A car of mass m, traveling at speed v, stgi3491 blpih eops in time t wdf()xjzeo h-+b9iab + , oe.jmhen maximum braking force is applied. Assuming the braking force is independent of mass, what time would be required to stop a car ofmixoh9( o,edezj.+ )j +-bbfa mass 2m traveling at speed v?
A. $0.5 t$
B. $t$
C. $\sqrt2t$
D. $2t$
E. $4t$
参考答案: D
本题详细解析:
暂无
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