Essential University Physics: Volume 1 (3rd Edition)

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

Chapter 8 - Exercises and Problems: 24

Answer

Please see the work below.

Work Step by Step

We know that $U=Gm_{sun}m_{earth}(\frac{1}{r_2}-\frac{1}{r_1})$ We plug in the known values to obtain: $U=(6.67\times 10^{-11})(1.99\times 10^{23})(5.97\times 10^{24})(\frac{1}{147\times 10^9}-\frac{1}{152\times 10^9})$ $U=1.8\times 10^{32}J$
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