Essential University Physics: Volume 1 (3rd Edition)

Published by Pearson
ISBN 10: 0321993721
ISBN 13: 978-0-32199-372-4

Chapter 11 - Exercises and Problems: 55

Answer

a) 3% b) Jupiter

Work Step by Step

We use the values in Appendix E to solve this problem, as the book recommends. Recall, we know that $mvr$ represents the angular momentum of different planets, where r is their distance from the sun, m is there mass, and v is their velocity, which can be found using the distance they travel over their orbital period. We then find the angular momentum of the sun using the equation for the angular momentum of a solid sphere: $L=\frac{2}{5}MR^2\omega$. Doing this, we find that the sun makes up 3% of all of the angular momentums. In addition, we see that most of the rest of the angular momentum is located in Jupiter.
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