The formula T=2*pi*sqrt[L/32] gives the period of a pendulum of length l feet. The period P is the number of seconds it takes for the pendulum to swing back and forth once. Suppose we want a pendulum to complete three periods in 2 seconds. How long should the pendulum be? Thank you so much for helping. The solution must be sbout 0.36 ft. I tried everything but I'm still wrong. Thanks again!!!!
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