Asked by beverly

the time T in second for a pendicular of length L feet to make one swing is given by t =2pie square root L over 40
How long is the perpendicular if it makes 1 swing in 1.9 second use 3.14

Answers

Answered by Steve
well, you have the formula:

t = 2π√(L/40)

just plug in your t and find L.

by the way, the word is pendulum, not either of the garbled attempts you wrote.
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