A thin metal disc of radius 0.25 m and mass 2 kg starts from rest and rolls down an Inclined plane. If its rotational kinetic energy is 4 J at the foot of the inclined plane, then its linear velocity at the same point is:

A. 1.2 m/s

B. 2√2 m/s

C. 20 m/s

D. 2 m/s

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1

Correct Answer :
2√2 m/s

Explanation :
No Explanation available for this question

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