Answer
$v=2\frac{cm}{s}$
Work Step by Step
We know that,
$v=\frac{\lambda}{T}$
We plug in the known values to obtain:
$v=\frac{20}{10}=2\frac{cm}{s}$
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 472: 11g
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