A 0.313-m-thick sheet of ice covers a lake. The air temperature at the ice surface is...

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Physics

A 0.313-m-thick sheet of ice covers a lake. The air temperatureat the ice surface is -15.9 °C. In 4.70 minutes, the ice thickensby a small amount. Assume that no heat flows from the ground belowinto the water and that the added ice is very thin compared to0.313 m. Calculate the number of millimeters by which the icethickens. Do not enter unit.

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4.0 Ratings (800 Votes)
here The liquid water directly beneath the ice sheet is equilibrium with the solid and has therefore a temperature 0degree C temperature of fusion Since the water is hotter than the air above the ice sheet it looses some heat due to thermal conduction    See Answer
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