13. Rotational Inertia & Energy
Intro to Rotational Kinetic Energy
7:20 minutes
Problem 12a
Textbook Question
Textbook QuestionAn 8.0-cm-diameter, 400 g solid sphere is released from rest at the top of a 2.1-m-long, 25 incline. It rolls, without slipping, to the bottom(b). What fraction of its kinetic energy is rotational?
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