Essential University Physics: Volume 1 (3rd Edition)

Published by Pearson
ISBN 10: 0321993721
ISBN 13: 978-0-32199-372-4

Chapter 13 - Exercises and Problems: 90

Answer

d.

Work Step by Step

We simplify the equation for period to find the spring constant and obtain: $k =\frac{4\pi^2m}{T^2}=\frac{4\pi^2(80)}{(2)^2}=80\pi^2$ Option d is the correct answer.
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