1.

A stone of mass 1 kg is tied to one end of a string of length 0.5 m. It is whirled in a vertical circle. If the maximum tension in the string is 58.8 N, the velocity at the top is

Answer»

`1.82 MS^(-1)`
`2.2 ms^(-1)`
`3.26 ms^(-1)`
`2.87 ms^(-1)`

ANSWER :B


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