The moment of inertia of a body about a given axis is 1.2 kg-m 2 . Initially, the body is…
Physics · JEE Main · NTA Exams — Rotational Motion
The moment of inertia of a body about a given axis is 1.2 kg-m2. Initially, the body is at rest. In order to produce a rotational kinetic energy of 1500 J, an angular acceleration of 25 rad/s2 must be applied about that axis for a duration of
- 12 s
- 8 s
- 4 s
- 2 s
Answer
(D) 2 s
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