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]
95.29: P and Q have the samx3)m xy h3tk,.rizsh :j21f rde momentum. Q o s- hu+b0h7ubcan have more kinetic energy than P if isu+7h u b-ob0ht:
A. has more mass than P.
B. has the same mass as P.
C. is moving faster than P.
D. is moving at the same speed as P.
E. None of the above. Q can’t have more kinetic energy than P.
参考答案: C
本题详细解析:
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