SOLUTION: The period (the time required for one complete swing) of a simple pendulum varies directly as the square root of its lenth. If a pendulum 12 feet long has a period of 4 seconds, f

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Question 32210: The period (the time required for one complete swing) of a simple pendulum varies directly as the square root of its lenth. If a pendulum 12 feet long has a period of 4 seconds, find the period of a pendulum 3 feet long.
Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
4/SQRT12=X/SQRT3 OR X*SQRT12=4*SQRT3 OR SQUARING BOTH SIDES WE GET
12X~2=48 OR X~2=48/12 OR X~2=4 OR X=2 SECONDS.