gc textbook chapter 7 Linear Momentum (id: 5c622dc4d)

本题目来源于试卷: gc textbook chapter 7 Linear Momentum，类别为 通用国际物理

[填空题]
An 0.145-kg baseball pitched horizontally3q,r wimjd a :8zqw .g0vyr4e7 at strikes a bat and is popped :v*/ kr d bc:;a7lhbk oi2hgo, ucfg(ll.ic76straight up to a height of 55.6 m. If the co/alo b*,ck:6u 2; . lhfk7r(bgcl:co7hgvdi i ntact time is 1.4 ms, calculate the average force on the ball during the contact.    $^{\circ} $

参考答案: 43±2%


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