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An 14.3-kg stone at the end of a steel (Young's modulus 2.0 x 1011 N/m2) wire...

An 14.3-kg stone at the end of a steel (Young's modulus 2.0 x 1011 N/m2) wire is being whirled in a circle at a constant tangential speed of 14.3 m/s. The stone is moving on the surface of a frictionless horizontal table. The wire is 3.14 m long and has a radius of 1.72 x 10-3 m. Find the strain in the wire.

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