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29 June, 12:29

If the moment of inertia of the diver in a straight position is 14 kg⋅m2 and in a tucked position is 4.0 kg⋅m2, by what factor is her angular velocity when tucked greater than when straight?

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  1. 29 June, 13:11
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    I'm not really that familiar with this type of problem but I encountered this question before.

    Is = moment of inertia in straight position

    It = moment of inertia in tucked position.

    Wt It = Ws Is

    Wt = Is/It;

    Ws = 14 kg m² / 4 kg m² = 14/4 = 3.5

    Her angular velocity when tucked is 3.5 greater than when straight.
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