A 14.5 kg mass, fastened to the end of a...

A 14.5 kg mass, fastened to the end of a steel wire of unstretched 1.0 m, is whirled in a vertical circle with an angular velocity of 2 rev/s at the bottom of the circle. The cross- sectional area of the wire is `0.065" cm"^(2)`. Calculate the elongation of the wire when the mass is at the lowest point of its path.

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The correct Answer is:

`1.539xx10^(-4)m`

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