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 truck weighs twice+p(n ixcakn9 k: u-lej(xwd,9 as much as a car, at,,ovmgw.j)* 7bt- sjzttna+ /i)gdc nd is moving at twice the speed of the car. Which statement is true about the truck's kinetic energy compared to that of the ca*t tstvg,b)o/7 ctw d+gj)mn,jiaz-.r?
A. All that can be said is that the truck has more kinetic energy.
B. The truck has twice the kinetic energy of the car.
C. The truck has 4 times the kinetic energy of the car.
D. The truck has 8 times the kinetic energy of the car.
参考答案: D
本题详细解析:
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