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The moment of inertia of a body about a given axis is 1.2 kg ´ metre2. Initially, the body is at rest. In order to produce a rotating kinetic energy of 1500 joules, an angular acceleration of 25 radian/sec2 must be applied about that axis for a duration of (a) 4 sec (b) 2 sec (c) 8 sec (d) 10 sec

The moment of inertia of a body about a given axis is 1.2 kg ´ metre2. Initially, the body is at rest. In order to produce a rotating kinetic energy of 1500 joules, an angular acceleration of 25 radian/sec2 must be applied about that axis for a duration of
(a) 4 sec (b) 2 sec
(c) 8 sec (d) 10 sec

Grade:12

1 Answers

SAHIL
3783 Points
5 years ago
hi abhishek
the correct answer to this question is b i.e option 2{{ 2 seconds}}.
thanks and approve my answer
with warm regards sahil

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