Science, asked by samhitaatreya7779, 11 months ago

A bridge is made from 20 m long iron rods .At temperature 18°C,the distance between two rods is 0.4cm. Up to what temperature will the bridge be in good shape?

Answers

Answered by kingArsh07
9
HERE IS YOUR ANSWER :- L' = L + L@(T2-T1)
50.12 = 50 + 50×12×10^(-6)[T2-12]
REARRANGING:
6×10^(-4)[T2-12] = 0.12
T2 -12 = 200
T2 = 212
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