College Algebra (10th Edition)

Published by Pearson
ISBN 10: 0321979478
ISBN 13: 978-0-32197-947-6

Chapter R - Section R.8 - nth Roots; Rational Exponents - R.8 Assess Your Understanding - Page 80: 121


$T=8.89$ seconds

Work Step by Step

$T=2\pi\sqrt{\frac{l}{32}}$ We plug in $l=64$: $T=2\pi\sqrt{\frac{64}{32}}=2\pi\sqrt{2}=8.89$ seconds
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