Essential University Physics: Volume 1 (3rd Edition)

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

Chapter 14 - Exercises and Problems: 18

Answer

Please see the work below.

Work Step by Step

We know that $v=\frac{d}{t}$ We plug in the known values to obtain: $v=\frac{1250000}{307.2}=4069\frac{m}{s}$ We also know that $v=\lambda f$ This can be rearranged as: $\lambda=\frac{v}{f}$ We plug in the known values to obtain: $\lambda=\frac{4069}{3.21}=1267.6m$
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