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| 1) Answer all that are correct- You run and jump on a swing. During which of the following motions is the total momentum of you and the swing conserved? running at the swing (and accelerating) jumping on the swing (the "collision" between you and the swing) swinging up on the swing swinging down on the swing 2)Answer all that are correct- You run and jump on a swing. During which of the following motions is the total mechanical energy of you, the swing, and the Earth conserved? (Assume that the swing is well made so friction can be ignored.) running at the swing (and accelerating) jumping on the swing (the "collision") swinging up on the swing swinging down on the swing 3) Momentum conservation occurs whenever the net external force on the objects is zero the work on the objects is zero two objects are stuck together two objects are pulled apart |
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