The Period of Vibration P for a Pendulum Varies Directly

question 31

Multiple Choice

The period of vibration P for a pendulum varies directly as the square root of the length L. If the period of vibration is 2 sec when the length is 16 inches, what is the period when L = 6.25 inches?
(Round to the nearest hundredth.)

• A)2.50 sec
• B)1.25 sec
• C)2.75 sec
• D)2.25 sec

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