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 df 5u x4u,7jwsm, traveling at speed v, stops in tix+he /t);qznm me t when maximum braking force is applied. Assuming t;) te /qnh+zxmhe braking force is independent of mass, what time would be required to stop a car of 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
| 
