A 4.00-kg cylinder, of length 21.0 cm and diameter 12.0 cm , about the central axis of the cylinder, if the cylinder is thin-wal
1 answer:
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So the right answer is of option D<em> </em><em>.</em>
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Answer:
(A) Angular speed 40 rad/sec
Rotation = 50 rad
(b) 37812.5 J
Explanation:
We have given moment of inertia of the wheel
Initial angular velocity of the wheel
Angular acceleration
(a) We know that
We have given t = 2 sec
So
Now
(b) After 3 sec
We know that kinetic energy is given by