Homework Help: nsu

Posted by tyrone on Saturday, February 9, 2013 at 11:30pm.

A microwave oven has a power requirement of 1256 W. A frozen dinner requires 4.0 min to heat on full power.
(a) How much electrical energy (in kWh) is used?

Math/Science - PsyDAG, Sunday, February 10, 2013 at 12:53pm
Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question.

1256 W = 1.256 kW

4min/60min = .067 hour

1.256 * .067 = ?

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