Problem: A solid sphere rolls along a horizontal, smooth surface at a constant linear speed without slipping. What is the ratio between the rotational kinetic energy about the center of the sphere and the sphere’s total kinetic energy? A. 3/7 B. None of these C. 7/2 D. 2/5 E. 2/7 F. 3/5 G. 5/3

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Problem Details

A solid sphere rolls along a horizontal, smooth surface at a constant linear speed without slipping.

What is the ratio between the rotational kinetic energy about the center of the sphere and the sphere’s total kinetic energy?

A. 3/7

B. None of these

C. 7/2

D. 2/5

E. 2/7

F. 3/5

G. 5/3

Frequently Asked Questions

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Intro to Rotational Kinetic Energy concept. You can view video lessons to learn Intro to Rotational Kinetic Energy. Or if you need more Intro to Rotational Kinetic Energy practice, you can also practice Intro to Rotational Kinetic Energy practice problems.

What professor is this problem relevant for?

Based on our data, we think this problem is relevant for Professor Marder's class at TEXAS.