Tuesday
July 22, 2014

Homework Help: science

Posted by Renee on Thursday, February 10, 2011 at 10:10pm.

A microwave oven has a power requirement of 1248 W. A frozen dinner requires 6.9 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?

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

science - A microwave oven has a power requirement of 1235 W. A frozen dinner ...
nsu - A microwave oven has a power requirement of 1256 W. A frozen dinner ...
phyical science - A microwave oven has a power requirement of 1235 W. A frozen ...
science - A microwave oven has a power requirement of 1264 W. A frozen dinner ...
science - On a particular day, the following appliances are used for the times ...
science - On a particular day, the following appliances are used for the times ...
phyical science - On a particular day, the following appliances are used for the...
Chemistry - A particular microwave oven delivers 800 watts. (A watt is a unit of...
College Physics II - A typical gamma ray emitted from a nucleus during ...
Chemistry - A certain microwave oven delivers 633 watts (J/s) of power to a ...

Search
Members