Answer
$L=2.54m$
Work Step by Step
We know that:
$T=2\pi\sqrt\frac{L}{g}$
This simplifies to:
$L=\frac{T^2(g)}{4\pi^2}$
We plug in the known values to obtain:
$L=\frac{(3.2)^2(9.8)}{4(3.1416)^2}=2.54m$
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 15 - Oscillations - Problems - Page 443: 115
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