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A student holding two dumbbells against his chest stands on a turntable while two other His...


A student holding two dumbbells against his chest stands on a turntable while two other His rotational inertia in this positi
A student holding two dumbbells against his chest stands on a turntable while two other His rotational inertia in this position is 18.8 kg m2. If the student on the turntable is initially rotating at 2.15 rad/s and then extends his arms so that his rotational inertia increases by 33.2%, what is his new rotational speed?
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Answer #1

Initial moment of hurtig Is = 18.8 kg-m? final moment of Iristig If It zo Is = Ii + 33.2%. Ji If = 1.332 I 1 If = 25.0416 lg-

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