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AP Physics 1
4.3 Conservation of Linear Momentum
BeginnerMCQMathematical24.3k
An astronaut throwing a wrench in deep space.
An astronaut throwing a wrench in deep space.
An astronaut of mass \(M\) is floating at rest in deep space where the net external force on the astronaut-wrench system is zero. The astronaut throws a wrench of mass \(m\) in a straight line, which causes the astronaut to recoil in the opposite direction. What is the ratio of the magnitude of the astronaut’s momentum to the magnitude of the wrench’s momentum?

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