Answer
There is a node at $x = 0$
Work Step by Step
$y'(t) = (3~mm)~sin(5x)~cos(4t)$
We can find the amplitude of the standing wave at $x = 0$:
$A = (3~mm)~sin(5x)$
$A = (3~mm)~sin(0)$
$A = 0$
There is a node at $x = 0$
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 - Questions - Page 471: 8a
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