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AP Physics 1
4.3 Conservation of Linear Momentum
2.6 Gravitational Force
Multi-Unit
IntermediateMCQProportional AnalysisConceptual18.2k
Two asteroids initially at rest separated by distance D.
Two asteroids initially at rest separated by distance D.
Two asteroids, A and B, are initially at rest in an isolated region of space where the only force they exert is on each other. Asteroid A has mass M and asteroid B has mass 3M. Due to their mutual gravitational attraction, the asteroids begin to move toward each other. When the distance between the asteroids has decreased to half of its original value, what is the ratio of the speed of asteroid A to the speed of asteroid B, v_A/v_B?

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