作业帮有一道英文的物理题求大神讲解
来源：学生作业帮 编辑：作业帮 分类：英语作业 时间：2024/06/05 22:26:05
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?
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?
When it reaches the summit,the net force is only gravity and no air resistance (since v=0).the instant acceleration is g.