Can someone help with this

asked Jun 23, 2019 144k views

4 votes

by Uncle

5.6k points

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3 votes

$T(l) = T = 2\pi \sqrt{(l)/(32.2) \\$

$T^2 = 4\pi^2 (l)/(32.2)\\32.2T^2 = 4\pi^2 l\\(32.2)/(4\pi^2)T^2 = l\\l (T)= (8.05)/(\pi^4) T^2$

Then if T = 3s

$l(3) = (8.05)/(4\pi^2)(3^2)ft$

Tulay answered Jun 29, 2019

by Tulay

5.7k points

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