posted by ashley on .
A microwave oven has a power requirement of 1235 W. A frozen dinner requires 6.0 min to heat on full power.
(a) How much electrical energy (in kWh) is used?
(b) If the cost of electricity is 12 cents per kWh, how much does it cost to heat the dinner?
what is kwh
if the cost of electricity is 12 cent per kwh,hom much does it cost to heat the dinner