College Physics (7th Edition)

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

Chapter 7 - Circular Motion and Gravitation - Learning Path Questions and Exercises - Multiple Choice Questions - Page 258: 19

Answer

(c). it moves faster when it is closer to the sun

Work Step by Step

As per Kepler's second law, when a planet moves in elliptical orbit around the sun, equal area is swept in equal time period. So, the planet moves faster when it is close to sun and moves slower when it is far away from sun.
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