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gymnast with zero rotational inertia

cookbeat01
in Physics

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Every time a gymnast flips, charwheels and somersaults, she has rotational inertia. Now say the gymnast does not have any/zero rotational inertia, how wel would the gymnast perform and how fast would she be able to change her angular velocity (angular speed and direction)? How many times would the gymnast be able to change direction while flipping and turning?

 

P.S.: I know what moment of inertia is; I am just using rotational inertia to use as a property of moment of inertia, like linear inertia is a property of mass.

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