Question

Disc of mass 5 kg rolls on a horizontal surface without slipping with a velocity of 10 m/sec. Find its kinetic​

Answer 1

ANSWER:

K (kinetic energy) = 1/2 * mass * velocity^2

therefore,  K = 1/2 * 5 * 10^2

                     = 1/2 * 5 * 10 * 10

                     = 5 * 5 * 10

                     = 250 J (joules)

Hence , the required answer is 250 J.

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