一辆汽车分别以6m/s和4m/s的速度运动时,它的惯性大小(        

一辆汽车分别以6ms4ms的速度运动时,它的惯性大小(                ).【0.5

(A)一样大                                (B)速度为4ms时大

(C)速度为6ms时大                (D)无法比较

答案

A

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