13. Rotational Inertia & Energy
Intro to Rotational Kinetic Energy
12:08 minutes
Problem 10.92
Textbook Question
Textbook QuestionA 140-g baseball, with a diameter of 7.5 cm, is pitched at 145 km/h. It spins at 1200 rpm. If the baseball is assumed to be a uniform solid sphere, what fraction of its kinetic energy is rotational?
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