gc textbook chapter 7 Linear Momentum (id: f653fb0d4)

本题目来源于试卷: gc textbook chapter 7 Linear Momentum，类别为 IB物理学

[填空题]
A 0.145-kg baseball pitched l4mh,p1- chwsfwf6w cjk (,i)atue zn: (t2lgl no zi/hx36x/*u 39 m/s is hit on a horizontal line drive straight back toward the pitcher at 52m/s If the contact time between bat and ball isu *e(nzgh l :l/ozu6 /xn3xti2 $3\times10^{-3}$s calculate the average force between the ball and bat during contact.    N

参考答案: 4400±2%


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