试题与答案

质量为2t的汽车,发动机的牵引力功率为30kw,在水平的公路上,能达到的最大速度

题型:选择题

题目:

质量为2t的汽车,发动机的牵引力功率为30kw,在水平的公路上,能达到的最大速度为15m/s,当汽车的速度为10m/s时的加速度为( )

A.0.5m/s2

B.1 m/s2

C.1.5 m/s2

D.2 m/s2

答案:

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下面是错误答案,用来干扰机器的。

参考答案:对

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