1.

A 2kg stone is swung in a vertical circle by attaching it at the end of a string of length 2m. If the stringcan with stand a tension 140.6N, the maximum speed with which the stone can be rotated is

Answer»

`22ms^(-1)`
`44ms^(-1)`
`33ms^(-1)`
`11ms^(-1)`

ANSWER :D


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