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Cocco
Cocco
10.12.2019 • 
Physics

Atub containing 58 kg of water is placed in a farmer's canning cellar, initially at 15 ∘c. on a cold evening the cellar loses thermal energy through the walls at a rate of 1200j/s. without the tub of water, the fruit would freeze in 4 h (the fruit freezes at −1 ∘c because the sugar in the fruit lowers the freezing temperature).

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