gc physics textbook chapter 4 problems (id: e60825c13)

本题目来源于试卷: gc physics textbook chapter 4 problems，类别为 IB物理学

[填空题]
What average force if 5j2oy roqw//,f kmg3epl)gw8d(,zasbo( nt9j39rerm(sma * gb )7om needed to accelerate a 7.00-gram pellet from rest to 125m/s over a distance oa*9mj ngo 7em s)9btrr3bm((o f 0.800 m along the barrel of a rifle?   

参考答案: 68.4±2%


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