Question: A steel wire 4.1 m long stretches 0.13 cm when it is given a tension of 380 N. (a) What is the diameter of the

A steel wire 4.1 m long stretches 0.13 cm when it is given a tension of 380 N.

(a) What is the diameter of the wire?

(b) If it is desired that the stretch be less than 0.13 cm, should its diameter be increased or decreased? Explain.

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