Question: Box the final answer thank you ! When a man on a frictionless rotating stool extends his arms horizontally, his rotational kinetic energy: O must

Box the final answer thank you !

When a man on a frictionless rotating stool extends his arms horizontally, his rotational kinetic energy: O must increase O must decrease must remain the same O may increase or decrease depending on his initial angular velocity O may increase or decrease depending on his angular acceleration

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