Question: A few weeks later, the gymnast has mastered a basic swing. Their coach wants them to learn a tuck somersault dismount. The gymnast swings about

A few weeks later, the gymnast has mastered a basic swing. Their coach wants them to learn a tuck somersault dismount. The gymnast swings about the bar with an angular velocity w of and a rotational inertia I. They change their position from legs fully extended to fully tucked. Assuming a frictionless bar, the gymnasts angular velocity increases from w to 1.25w .

How much does their angular momentum change?

How much does their rotational inertia change?

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