[单选题]
A truck weighs twice jqzdrbl2r2pu7 )h; )n a1 lvn35a. kxj; h6euyis much as a car, and is moving at twice the speed of the car. Which statement is true abo.6jiuk5;a xl 1yh3n veut the truck's kinetic energy compared to that of the car?
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:
暂无
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