gc textbook chapter 7 Linear Momentum (id: 29b2350b1)

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 12-kg hammer strikes a n0 /yvhcj 3*kt,xm(pyxail at a velocity of 8.5m/ g*n6vu.yp vc0ers h ;bm5nt bl5*.1yw8hn np)s and comes to rest in a time intervalb *hn;t5lgp0..1 vuw6bys nvn*rn 8h)ycep 5m of 8.0 ms. (a) What is the impulse given to the nail?    kg*m/s
(b) What is the average force acting on the nail?    N

参考答案:
空格1: 100±2%  空格2: 13000±2% 


本题详细解析:

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