Solve. -The Period of Vibration P for a Pendulum Varies Directly

question 89

Multiple Choice

Solve.
-The period of vibration P for a pendulum varies directly as the square root of the length L. If the period of vibration is 3.5 sec when the length is 49 inches, what is the period when L = 1.5625 inches?

• A) 3.75 sec
• B) 0.625 sec
• C) 4.25 sec
• D) 4.5 sec

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