gc textbook chapter 7 Linear Momentum (id: 66a2ef764)

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]
A 23-g bullet travelpk;gtm l i/9q n/-qbm/j1gm- 2alu+ix ing 230m/s penetrates a 2.0-kg block of wood and emerges cleanly at 170m/s If the block is stationary on a frictionless surface when hit, how fast does it move after the bullet emerge1juxa-i+g ml 2s?    m/s

参考答案: 0.69±2%


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