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98.

A body of moment of inertia of 3kg-m2 rotating with an angular speed of 2 rad/sec has the same kinetic energy as a mass of 12 kg moving with a speed of

(a)           1 m/s

(b)          2 m/s

(c)           4 m/s

(d)          8 m/s

Ans.  a

(7)

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