Question: A thin silver wire has length L = 18 cm when the temperature is T = 30oC. Estimate L when T decreases to 25oC if

A thin silver wire has length L = 18 cm when the temperature is T = 30oC. Estimate ΔL when T decreases to 25oC if the coefficient of thermal expansion is k = 1.9 × 10−5oC−1.

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