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Fyzika

O kolik musíme zvýšit teplotu ocelového drátu dlouhého 2 m, aby se prodloužil o 0,6 mm? ( Součinitel délkové teplotní roztažnosti oceli a = 1,2 × 10-5 K-1)

O kolik musíme zvýšit teplotu ocelového drátu dlouhého 2 m, aby se prodloužil o 0,6 mm? ( Součinitel délkové teplotní roztažnosti oceli a = 1,2 × 10^-5 K^-1)