An iron rod is 1.58m long at 0°C. What must be the length of a brass rod at 0°C If the difference between the length of the two rods is to remain the same at all temperatures.
Linear expansivity of iron=1.2×10^-5 k^-1
Linear expansivity of brass=1.9×10^-5 K^-1?
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Asked by Michaela on 23rd July, 2020
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