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March 28, 2015

Homework Help: phyical science

Posted by ashley on Saturday, September 4, 2010 at 10:07am.

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?
1 kWh

(b) If the cost of electricity is 12 cents per kWh, how much does it cost to heat the dinner?
2

what is kwh


if the cost of electricity is 12 cent per kwh,hom much does it cost to heat the dinner

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