A steel wire of 1.5 m long and of radius...

A steel wire of 1.5 m long and of radius 1 mm is attached with a load 3 kg at one end the other end of the wire is fixed it is whirled in a vertical circle with a frequency 2 Hz. Find the elongation of the wire when the weight is at the lowest position `Y=2xx10^(11)N//m^(2)` and `(g=10m//s^(2))`

`1.77xx10^(-3)m`

`7.17xx10^(-3)m`

`3.17xx10^(-7)m`

`1.37xx10^(-7)m`

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