Working with Youngs Modulus
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Copper has a breaking stress of 3 x 10^8 N/m2.
(a) What is the maximum load that can be hung from a copper wire of diameter of 0.42 mm before it breaks?
(b) If half this maximum load is hung from the wire, by what percentage of its length will it stretch?
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The stress is defined as the force per unit area, F/A. The ...
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