It does seem a little long.
One problem is clearly it doesn't give a mass...so how I'm supposed to give a correct answer I don't know. My only thought is that mass cancels out somewhere...I just haven't worked out where yet.
The additional problem here is the question says how long will...
Homework Statement
Ok, so my book has the following problem: A kettle can heat 20°C water to 100°C in 5 minutes. How long will it take to completely boil it away assuming the same rate of heat addition.
Homework Equations
I think Q=mcΔT is relevant but beyond that I am struggling...