A 021-kg coffee mug is made from a material that has a, Physics

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A 021-kg coffee mug is made from a material that has a

A 0.21-kg coffee mug is made from a material that has a specific heat capacity of 900 J/(kg · C°) and contains 0.36 kg of water. The cup and water are at 25° C. To make a cup of coffee, a small electric heater is immersed in the water and brings it to a boil in two minutes. Assume that the cup and water always have the same temperature and determine the minimum power rating of this heater.

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