13. Rotational Inertia & Energy
Conservation of Energy in Rolling Motion
Problem 12d
Textbook Question
Textbook QuestionA 4.0-cm-diameter disk with a 3.0-cm-diameter hole rolls down a 50-cm-long, 20° ramp. What is its speed at the bottom? What percent is this of the speed of a particle sliding down a frictionless ramp?
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