Answer to Question #144741 in Physics for Sam

Question #144741

A copper wire has an original length of 1.0m and a diameter of 1.1mm. What is the cross-sectional area of the wire?

Expert's answer

The cross-sectional area of the wire is

"A=\\pi\\frac{d^2}{4}\\\\A=\\pi\\frac{1.1^2}{4}=0.95\\ mm^2"

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