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Physics Mechanical Engineering

Asiri S.

asked • 12/09/14

will halving the radius double the speed in angular momentum

will halving the radius double the speed in angular momentum

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Francisco P. answered • 12/09/14

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If we are considering angular momentum conservation, then

L_i = L_f

mv_ir_i = mv_fr_f

If r_f = ½r_i, then

v_ir_i = v_f(½r_i)

v_f = 2v_i

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