Physics, 06.04.2021 01:00 memester74

A devious child uses a spring inside a mechanical pencil to launch a small eraser into the air. The mass of the pencil is m and the spring constant of the spring is k. A. (100 points) By how much is the spring initially compressed if the eraser is moving at v immediately after the spring reaches its equilibrium length

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A devious child uses a spring inside a mechanical pencil to launch a small eraser into the air. The...