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Impulse Acting on a Pendulum


	This pendulum consists of a rod of mass and length with an attached disk of mass and radius . At time , an impulse acts on the disk and causes the pendulum to be instantly set in motion. The pendulum is subject to the force of gravity .


	Contributed by: Sarah Lichtblau

Developed from the teaching materials of Thomas Peacock and David Gossard for Course 2.003 in the Department of Mechanical Engineering at MIT.

The equation of motion is

The initial angular velocity is

Contributed by: Sarah Lichtblau

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