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 travel4ll4w ofgvgq3 2*mi/g klfkxwy o0h9egn31+9 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 emerges?9 1lw9ko kg0 e3nfh+yx    m/s

参考答案: 0.69±2%


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