Solve the Problem. Round as Appropriate

question 246

Multiple Choice

Solve the problem. Round as appropriate.
-The period of vibration P for a pendulum varies directly as the square root of the length L. If the period of vibration is 2.5 sec when the length is 25 inches, what is the period when L = 3.0625 inches?

• A) 3.5 sec
• B) 3.25 sec
• C) 3 sec
• D) 0.875 sec

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