ZackMastar ZackMastar

16-10-2022
Physics

Answered

A well-insulated hot water tank is used to supply hot water to a residential dwelling house. The immersion heating element inside the tank has a power rating of 2200 W and the tank contains 125 kg of water at 28°C. Calculate 1. the heat energy supplied by the heating element in 2 hours.
2. the heat energy supplied to the water, given that its temperature increases to 58°C .
[specific heat capacity of water is 4200 J kg-¹K-¹]

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