ter Lial mul 5. Suppose your family decided to save money and conserve energy by lowering the thermostat setting on your

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Ter Lial Mul 5 Suppose Your Family Decided To Save Money And Conserve Energy By Lowering The Thermostat Setting On Your 1 (34.5 KiB) Viewed 78 times

ter Lial mul 5. Suppose your family decided to save money and conserve energy by lowering the thermostat setting on your hot water heater Assume there are four persons in your family, and that each person uses an average of 175 gallons of hot water per day a) How many grams of hot water does you whole family ase family? b) How many joules does your hot water heater use each day, assuming that the water must be warmed from 42 F to 155 F? c) How many joules will you save each day if you lower the hot water temperature to 145°F? d) How many kilojoules would you save in one year e) If electricity costs $0.45 per kilowatt-hour, how much money will you save in one year? (1 kilowatt-hour = 3.6 x 100) Time check: Please estimate to the nearest fifteen minutes) the time you spent working on this exercise. 15 30 45 60 75 90 105 120