本题目来源于试卷: gc textbook chapter 2 Kinematics in One Dimension,类别为 IB物理学
[问答题]
A baseball player hits a foul ball straight up into the airpb; s)+yn4, xeyd8 du8 :ztwko23wphx. It ley7+3iu+ v+j or,zwmpmaves the bat with a speed of 120km/h . In the absence of air resistance, how fast will the ballo+zw37+ru,yj m +vimp be traveling when the catcher catches it?
参考答案: Assuming
that the catcher catches the ball at the same height at which it left the bat,
then the ball will be traveling with a speed of 120 km/h when caught. This is proven in problem 41.
本题详细解析:
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