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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.
At one instant a bicyclist is 40m due east of a park's flagpole, going due south with a speed of 10m/s. Then 30.0s later, the cyclist is 40m due north of the flagpole.
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a ball moving with speed v collides with a horizontal smooth surface at an angle ? with normal to surface. if
A 1 kg ball is attached to a 2 m long piece of very light string and suspended in such a way that it can freely swing and it passes just above the ground.
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The work from the engine goes into an ideal refrigerator which extracts 5900.0 J of heat from its cold reservoir. Find the coefficient of performance of the ideal refrigerator
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On the Apollo 14 mission to the moon, astronaut Alan Shepard hit a golf ball with a 6 iron. For how much more time was the ball in flight
A 2000 kg car is rolling at 2.0 m/s. You would like to stop the car by firing a 18 kg blob of sticky clay at it. How fast should you fire the clay
Discover the tensions in the rope
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