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Physics, 18.10.2021 21:20, animaljamissofab
To save energy and money, Jackie Smith replaced the 122 Watt incandescent light bulb in her house with a 18 Watt CFL bulb. The expected life of incandescent and CFL bulbs is 1,000 and 10,000 hours respectively. The purchase price of an incandescent bulb is $0.51 and for the CFL it is $5.88. The cost of electricity is 0.06 $ per kWh. What is her total savings over the lifetime of the CFL
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Physics, 23.06.2019 00:00, kerena8291
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To save energy and money, Jackie Smith replaced the 122 Watt incandescent light bulb in her house wi...
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