A solid cylinder rolls up an inclined plane of angle of inclination 30°. At the bottom of the inclined plane the centre

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asked Mar 8, 2018 in Physics by paayal (26,720 points) 4 6 48

A solid cylinder rolls up an inclined plane of angle of inclination 30°. At the bottom of the inclined plane the centre of mass of the cylinder has a speed of 5 m/s.
How far will the cylinder go up the plane?
How long will it take to return to the bottom?

1 Answer

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answered Mar 8, 2018 by Vikash Kumar (144,729 points) 8 11 24
 
Best answer

A solid cylinder rolling up an inclination is shown in the following figure.

Using the law of conservation of energy, we can write:

Hence, the cylinder will travel 3.82 m up the inclined plane.
For
radius of gyration K, the velocity of the cylinder at the instance when it rolls back to the bottom is given by the relation:

The time taken to return to the bottom is:

Therefore, the total time taken by the cylinder to return to the bottom is (2 X 0.764) =1.53s.

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