College Physics (7th Edition)

Published by Pearson
ISBN 10: 0-32160-183-1
ISBN 13: 978-0-32160-183-4

Chapter 5 - Work and Energy - Learning Path Questions and Exercises - Multiple Choice Questions - Page 172: 10

Answer

(a) object of mass $4m$ and speed $v$.

Work Step by Step

Kinetic energy for a body with mass $m$ and speed $v$ is given by $\frac{1}{2}mv^2$. The object in option (a) of mass $4m$ and speed $v$ has the least kinetic energy of $2mv^2$.
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.