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Question
An aluminium rod has a breaking strain of 0.2% the minimum cross sectionall area of the rod in square meter in order to support a load of 10power4N is if youngs modulls is 7×10power9 N/square metres
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Solution
There's a calculation error there in the last step. The answer on solving will be 7.1 x 10^(-4)
If you do the calculations as shown, you'll get the same answer.
There's a calculation error there in the last step. The answer on solving will be 7.1 x 10^(-4)
If you do the calculations as shown, you'll get the same answer.
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