Question

A 18.5 kg mass, fastened to the end of a steel wire of unstretched length 1.5 m, is whirled in a vertical circle with an angular velocity of 3 rev/s at the bottom of the circle. The cross-sectional area of the wire is 0.085 cm2. Calculate the elongation of the wire when the mass is at the lowest point of its path

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Mechanical Properties of Matter

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