Physics (please help!!!!)

A Foucault pendulum is designed to demonstrate the effect of the Earth's rotation. A Foucault pendulum displayed in a museum is typically quite long, making the effect easier to see. Consider a Foucault pendulum of length 16 m with a 109-kg brass bob. It is set to swing with an amplitude of 3.1°.
(a) What is the period of the pendulum?


(b) What is the maximum kinetic energy of the pendulum?


(c) What is the maximum speed of the pendulum?

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