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JEE MAIN 2019
09-04-2019 S2
Question
Moment of inertia of a body about a given axis is 1.5 kg m2. Initially the body is at rest. In order to produce a rotational kinetic energy of 1200 J, the angular acceleration of 20 rad/s2 must be applied about the axis for a duration of
Select the correct option:
A
2.5 s
B
2 s
C
5 s
D
3 s
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
Solution
Question Tags
JEE Main
Physics
Medium
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