Pendulum motion

Classical Mechanics Level 3

What is the period, in minutes of a pendulum with a length of 9.81 m 9.81 \text{ m} ?

None of these 0.051 0.105 2 3.14 6.28 1 1.27

Alex Li by Alex Li , 22, USA

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1 solution

Alex Li
Apr 27, 2015

The period of the pendulum is given by 2 π l g = 2 π 9.81 9.81 = 6.283 2\pi\sqrt{\frac{l}{g}}=2\pi\sqrt{\frac{9.81}{9.81}}=6.283 seconds = 0.105 =\boxed{0.105} minutes.

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