A pendulum has a mass of 3-kg, a length of 2 meters and swings through a (half)arc of 27.3 degrees. What is its Amplitude to the nearest centimeter ?
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A pendulum has a mass of 3-kg, a length of 1.3 meter, and swings through a (half) arc of 30 degrees. To the tenth of a Joule, what is its maximum Kinetic Energy?
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A pendulum has a mass of 3-kg, a length of 3 meters and swings through a (half)arc of 0.47 radians. To the tenth of a Joule, what is its Total Energy?
I need someone to explain the steps to solving these equations. There must be some trick to questions that ask about pendulums.
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