1.

Passage - I : In the given figure F = 10N, R = 1 m, mass of the body is 2 kg and moment of inertia of the body about an axis passing through O and perpendicular to plane of body is "4 kgm"^(2). O is the centre of mass of the body. If the ground is smooth what is total kinetic energy of the body after 2 s :

Answer»

25 J
50 J
25 J
100 J

Answer :B


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