Predict/Explain Two spheres of equal mass and radius are
Chapter 11, Problem 76(choose chapter or problem)
Predict/Explain Two spheres of equal mass and radius are rolling across the oor with the same speed. Sphere 1 is a uniform solid; sphere 2 is hollow. Is the work required to stop sphere 1 greater than, less than, or equal to the work required to stop sphere 2? (b) Choose the best explanation from among the following: I. Sphere 2 has the greater moment of inertia and hence the greater rotational kinetic energy. II. The spheres have equal mass and speed; therefore, they have the same kinetic energy. III. The hollow sphere has less kinetic energy.
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