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Q. Two particles with masses m and 3m are moving toward each other along the x axis with the same initial speeds vi. Particle m is traveling to the left, while particle 3m is traveling to the right. They undergo an elastic, glancing collision such that particle 2m is moving downward after the collision at a right angle from its initial direction.

Q. An 83.0 spacewalking astronaut pushes off a 640 satellite, exerting a 115 force for the 0.430 it takes him to straighten his arms. how far apart are the astronaut and the satellite after 1.5 minutes?

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