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The toy-top (initially at rest) shown in the figure, has a moment of inertia and it is free to rotate about the stationary axis . The string wrapped around the peg of the toy-top is pulled outwards without letting it slip and simultaneously maintaining a constant tension of . If is the angular speed (in ) of the top after of string has been pulled off the peg, then mark your answer as . If your answer is K, mark 2K as answer after rounding off to nearest integer.
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2197 Upvotes
Verified Answer
The correct answer is:
3
Work done
and
work done
( top starts from rest, )
and
work done
( top starts from rest, )
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