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Physics 14 Online
OpenStudy (anonymous):

What's the power of a microwave oven that can heat 400 g of water from 10 degree Celsius to boiling in 4.5 min ?

OpenStudy (anonymous):

you need specific capacity for water and just calculate heat needed for that amount of water to evaporate and divide that energy in Joules with your time in seconds and you will get power in W of your oven

OpenStudy (anonymous):

Thank you, I got it now!

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