本题目来源于试卷: Physics Unit6: Work and Energy，类别为 通用国际物理
[单选题]
A brick is moving at a spee14:wu -+wxz vb .vxrnod of 3 m/s and a pebblqw(6b52(l w4o*lwfocf; r q0da8 kcoae is moving at a speed of 5 m/s. If both objectsa df0*qwaoc28rw(;(q45bo6fllco kw have the same kinetic energy, what is the ratio of the brick's mass to the rock's mass?
A. 25 to 9
B. 5 to 3
C. 12.5 to 4.5
D. 3 to 5
参考答案: A
本题详细解析:
暂无
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