At a price of 010 per kilowatt-hour for electrical energy

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Reference no: EM13608361

The temperature in an electric oven is 192 °C. The temperature at the outer surface in the kitchen is 35.1 °C. The oven (surface area = 1.65 m2) is insulated with material that has a thickness of 0.00525 m and a thermal conductivity of 0.0206 J/(s m C°).

(a) How much energy is used to operate the oven for 3.61 hours?

(b) At a price of $0.10 per kilowatt-hour for electrical energy, what is the cost (in dollars) of operating the oven?

Reference no: EM13608361

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