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AP Physics C: Mechanics/Unit 7 – Oscillations
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Period of a Compound Pendulum

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A compound pendulum is formed by connecting two thin rods, each of mass m and length L, at a right angle. The pendulum is pivoted at the free end of one rod and undergoes small oscillations. Which of the following expressions represents the period of the pendulum?

A

T = 2π√[(mL²/3 + mL²/4)/2mgL]

B

T = 2π√[(L√10)/(3g)]

C

T = 2π√[mL²/mgL]

D

T = 2π√[2mL²/mgL]

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