newnewnewnew (id: f7683e19b)

本题目来源于试卷: newnewnewnew，类别为 IB物理学

[填空题]
A 0.140$-\mathrm{kg}$ baseball traveling 35.0 $\mathrm{~m} / \mathrm{s}$ strikes the catcher's mitt, which, in bringing the ball to rest, recoils backward 11.0 cm . What was the average force applied by the ball on the glove? -  

参考答案: 780±2%


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