Answer
$$4.00 \mathrm{m} / \mathrm{s}
$$
Work Step by Step
The wave speed is
$$
v=\lambda f=(2.00 \mathrm{m})(2.00 \mathrm{Hz})=4.00 \mathrm{m} / \mathrm{s}
$$
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 16 - Waves-I - Problems - Page 475: 57c
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