Asked by John
An electric kettle has a power of 1.2kw. How long will it take to heat 3 kg of water to the from 20¡ãC to 100¡ãC?
Answers
Answered by
Chanz
First find the energy you need
E = mc(Tf-Ti)
Then P = E/t
solve for t.
E = mc(Tf-Ti)
Then P = E/t
solve for t.
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