有一道英文的物理题求大神讲解A 1-kg ball is thrown straight up in the air.W

有一道英文的物理题求大神讲解
A 1-kg ball is thrown straight up in the air.What is the
net force acting on the ball when it reaches its maximum
height?What is the ball’s acceleration at this point?
bttm1008 1年前 已收到1个回答 举报
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懒懒滴_呼吸 春芽

共回答了16个问题采纳率：93.8% 举报

When it reaches the summit,the net force is only gravity and no air resistance (since v=0).the instant acceleration is g.

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