物体以2m/s的速度运动,受到合外力为0,5s后速度为多少?
物体以2m/s的速度运动,受到合外力为0,5s后速度为多少?
物理人气:932 ℃时间:2019-11-09 17:14:27
优质解答
还是2m/s ,合外力为零是说在不受任何外力的作用.
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