itujggkmjf3297 itujggkmjf3297 05-02-2024 Physics contestada What should be the lengths of steel and copper rod so that the length of steel rod is 5cm longer than the copper?(α for copper = 1.7×10⁻⁵ per ⁰C andαfor steel=1.1×10⁻⁵ per ⁰C)