5. A solid sphere of radius r = 34.5 cm and mass m = 1.80 kg starts from rest and rolls without slipping down a 30° incline that is 10.0 m long. a) Find the translational and rotational speeds when it reaches the bottom. b) Find the ratio of the rotational kinetic energy to the translational kinetic energy without using any numbers. What do you notice?

5. A solid sphere of radius r = 34.5 cm and mass m = 1.80 kg starts from rest and rolls without slipping down a 30° incline that is 10.0 m long. a) Find the translational and rotational speeds when it reaches the bottom. b) Find the ratio of the rotational kinetic energy to the translational kinetic energy without using any numbers. What do you notice?

College Physics

10th Edition

ISBN:9781285737027

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter8: Rotational Equilibrium And Rotational Dynamics

Section: Chapter Questions

Problem 48P: A solid uniform sphere of mass m and radius R rolls without slipping down an incline of height h....

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5. A solid sphere of radius r = 34.5 cm and mass m = 1.80 kg starts from rest and rolls without slipping
down a 30° incline that is 10.0 m long. a) Find the translational and rotational speeds when it reaches
the bottom. b) Find the ratio of the rotational kinetic energy to the translational kinetic energy without
using any numbers. What do you notice?

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