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September 19, 2014

Homework Help: AP Physics

Posted by Bernadette on Friday, February 8, 2008 at 6:41pm.

A 1050kg car has four 15kg wheels. When the car is moving, what fraction of the total kinetic energy of the car is due to the rotation of the wheels about their axles? Assume that the wheels have the same rotational inertia as uniform disks of the same mass and size. Also, why do you not need the radius of the wheels?

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