Conceptual Physics (12th Edition)

Published by Addison-Wesley
ISBN 10: 0321909100
ISBN 13: 978-0-32190-910-7

Chapter 26 - Think and Solve: 33

Answer

$231,000 \frac{km}{s}$, which is about 77 percent of the modern value.

Work Step by Step

$$v = \frac{300,000,000 \; km}{1300 s} = 231,000 \frac{km}{s}$$ $$ \frac{231000 km/s}{300000 km/s} = 0.77$$
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