Answer
$$
7.51 \times 10^{6} \mathrm{m} / \mathrm{s}
$$
Work Step by Step
The speed difference is
$$
\Delta v=v^{\prime}-v=(2.5157-2.4406)\left(10^{8} \mathrm{m} / \mathrm{s}\right)=7.51 \times 10^{6} \mathrm{m} / \mathrm{s}
$$
Fundamentals of Physics Extended (10th Edition)
by Halliday, David; Resnick, Robert; Walker, Jearl
Published by
Wiley
ISBN 10:
1-11823-072-8
ISBN 13:
978-1-11823-072-5
Chapter 44 - Quarks, Leptons, and the Big Bang - Problems - Page 1364: 24b
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