gc textbook chapter 7 Linear Momentum (id: bf9eab76f)

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]
Two astronauts, one of mass 60 kmk/dt)j iem2 8gs75 7;9:zxznfu1km7jjnkl:hn5 h on d ay5cm; and the other 80 kg, are initially at rest in outer space. They then push each other apart. How f7 ym;:z9hn5sol ufka:m7;hxznnk 1jd5c5 n j7ar apart are they when the lighter astronaut has moved 12 m?    m

参考答案: 21±2%


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