Wheeler Flynn
07/26/2023 · Elementary School
Example 9 In July of 2018 you used 800 kilowatt-hours of energy for electricity. How much total electrical energy was used in Joules? What was your average power in watts? Assume that your power supplier generates electricity by burning oil. Note that 1 liter of oil releases 12 million joules of energy. How much oil is needed to generate the electricity you use? Give your answer in both liters and gallons.
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1. Total electrical energy used: \(2.88 \times 10^9 \, \text{J}\)
2. Average power: \(1075.5 \, \text{W}\)
3. Oil needed: \(240 \, \text{liters}\) or approximately \(63.4 \, \text{gallons}\)
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