A then ring of radius 0.5 m is rolling without slipping on horizontal ground with angular velocity 5 rad/sec. Then speed of top most point on the ring is
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a
0.5 m/s
b
1 m/s
c
2.5 m/s
d
5 m/s
answer is D.
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Detailed Solution
Vc= velocity of the centre of ring =ωR=5×0.5 m/s∴V=speed of top most point =2Vc=2×5×0.5 m/s=5m/s