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OpenStudy (anonymous):
A 2200Watt oven is hooked to a 240V source. How long will take to boil 100mL of water assuming 80 percent efficiency?
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OpenStudy (amistre64):
actually the best i could do for this is to assume that a wacthed pot never boils :)
OpenStudy (amistre64):
1 calorie is the amount of energy needed to raise 1 gram of water 1 degree celcius, but how long it takes to do it i got no idea much less how to use the other given info to come to such a conclusion
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