问题描述:
一道英语物理题
A quarterback passes the football downfield at 20m/s .It leaves his hand 1.8m above the ground and is caught by a receiver 30m away at the same height
What is the maximum height of the ball on its way to the receiver?
A quarterback passes the football downfield at 20m/s .It leaves his hand 1.8m above the ground and is caught by a receiver 30m away at the same height
What is the maximum height of the ball on its way to the receiver?
问题解答:
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