a physics professor is sitting on a rotating chair with his arm outstretched each holding a load the chair is rotating at constant angular speed he then pulls his arms closer to his body when he brings his arms in , his angular velocity??
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billu004:
his angular velocity will increase to conserve the angular momentum...it often happens when a ballerina dances with her arms outstretched then suddenly she tucks in the arms which causes her to move faster as her angular velocity increses
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angular velocity remains the same
How ??
Explain it
But correct answer is it increases
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