Two exactly similar wire of steel and copper are stretched by equal force. If the difference in their elongations is 0.5 cm, the elongation (l) of each wire is Y_(s)("steel") =2.0xx10^(11) N//m^(2) Y_(c)("copper")=1.2xx10^(11)N//m^(2)
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their elongations is 0.5 cm, the elongation (l) of each wire is Y_(s)("steel") =2.0xx10^(11) N//m^(2) Y_(c)("copper")=1.2xx10^(11)N//m^(2)
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