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Business, 10.08.2019 03:20 janahiac09

Astandard flashlight battery can deliver about 4.2 w·h of energy before it runs down. (a) if a battery costs 80 cents, what is the cost in dollars of operating a 100 w lamp for 7.0 h using batteries? (b) what is the cost in dollars if power is provided at the rate of 6.0 cents per kilowatt-hour?

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Astandard flashlight battery can deliver about 4.2 w·h of energy before it runs down. (a) if a batte...

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