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A disk of mass M and radius R rolls back and forth on avertical track of radius a.
(a) Write the Langrangian for the system.
(b) Obtain the equation of motion.
(c) Determine the period with which the disk rolls back andforth. You may assume the amplitude of the oscillations is small.
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what is the electric force between the proton and electron inside of a hydrogen atom? What must the speed of the electron be
A rectangular coil of 58 turns, dimensions 0.100 m by 0.200 m, and total resistance 10.0 ? rotates with angular speed 35.0 rad/s, Calculate the maximum induced emf in the coil
An object is released from rest on a planet that has no atmosphere. The object falls freely for 3m in the first second. What is the magnitude of acceleration due to gravity on the planet?
An unmarked police car traveling a constant 85km/h is passed by a speeder. what was the speeder's speed
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