The moment of inertia of a body about a given axis is 2.4 kg–m2. To produce a rotational kinetic energy of 750 J, an angular acceleration of 5 rad/s2 must be applied about that axis for
(a) 6 sec
(b) 5 sec
(c) 4 sec
(d) 3 sec
Ans. b
(13)
5/5 - (1 vote)