Задача id16470
At t1 = 20°C, l1zh = 100 m of iron and l1m = 100 m of copper wire were measured. What will be the difference in their lengths at t2 = 60°C? The coefficient of linear expansion of iron is already = 1.2·10-5 K-1, copper am = 1.7·10-5 K-1.
Detailed solution. Format gif
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