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A solid sphere of mass m is rotated to ang vel of W and placed on a plank of mass m. coefficient of friction between plank and sphere is u.Plank is present on smooth ground.what is time taken for disc to pure roll?

A solid sphere of mass m is rotated to ang vel of W and placed on a plank of mass m. coefficient of friction between plank and sphere is u.Plank is present on smooth ground.what is time taken for disc to pure roll?


 

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1 Answers

SAGAR SINGH - IIT DELHI
879 Points
11 years ago

Dear student,

Make use of inertia concept and

conservation of angular momentum.

Its a simple question.

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