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Old Dec 7th 2009, 12:31 PM   #1
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time needed to bring it to boiling

An immersion heater connected to a 12V battery is used to heat a 300-cc cup of water to make some tea. The resistance of the heater's coil is 0.36W. If the water is initially at 25oC, how long will it take to bring it to boiling?
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Old Dec 7th 2009, 10:14 PM   #2
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Please post your attempt or specify your difficulty.
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