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When a figure skater goes into spin she will begin with her arms extended, and then...

When a figure skater goes into spin she will begin with her arms extended, and then draws her arms inward. As a result the ice skater spins faster. Describe why this works in terms of angular momentum.

Provide your own example of the conservation of linear momentum in a collision. Use the words elastic, inelastic, and totally inelastic in your explanation.

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