Question

The breaking strength of a string is 55 kg wt. The maximum permissible speed of a stone of
mass
5kg which is revolved in a vertical circle of radius 4m with the help of this string is
(g=10m/s)
10 m/sec
015 m/sec
O 20 m/sec
O 25 m/sec​

Answer 1

Answer:

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Answer 2

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