Engineering, 19.03.2020 20:26, TheOriginal2x

Refrigerator A uses 500 watts per hour when the motor is operating. The motor needs to run an average of 12 hours per day, every day, to stay at a constant, cold temperature. This model of refrigerator lasts an average of 20 years before it needs to be replaced and costs $1,000. Each kWh of electricity costs $0.12. How many kilowatt hours (kWh) per year does refrigerator A use

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Refrigerator A uses 500 watts per hour when the motor is operating. The motor needs to run an averag...