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9.The two ends of a 2 m long rod is tied with two different material wires( Steel And braas). The cross section of the brass wire is 2*10 to the power -5 and the steel wire is 1*10 to the power -5 squire meter. In which place of the rod a weight is hanged, so that 1. The stress in these two wires are same? 2. The starin in these wires are same? The Y of brass-10*10 to the power 10 N per meter squire Y of steel-20*10 to the power 10N per meter squire |
| Answer» 9.The two ends of a 2 m long rod is tied with two different material wires( Steel And braas). The cross section of the brass wire is 2*10 to the power -5 and the steel wire is 1*10 to the power -5 squire meter. In which place of the rod a weight is hanged, so that 1. The stress in these two wires are same? 2. The starin in these wires are same? The Y of brass-10*10 to the power 10 N per meter squire Y of steel-20*10 to the power 10N per meter squire | |