Answer to Question #347139 in Mechanics | Relativity for Jane

Question #347139

3. A circular steel wire 2.00 m long must stretch no more than 0.25 cm when a tensile force of 400 N is applied to each end of the wire. What minimum diameter is required for the wire?

Expert's answer

"d=\\sqrt\\frac{4Fl}{\\pi E\u2206l}=0.2~mm."

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