February 27, 2017

Homework Help: Physics

Posted by Maryo on Wednesday, March 24, 2010 at 1:36am.

The temperature in an electric oven is 160°C. The temperature at the outer surface in the kitchen is 50°C. The oven ( surface area = 1.6 m2) is insulated with material that has a thickness of 0.02 m and a thermal conductivity of 0.045 J/s.m.C°. (a) How much energy is used to operate the oven for six hours?(b) At the price of $0.1/kw-hr for electrical energy, what is the cost of operating the oven?

Answer This Question

First Name:
School Subject:

Related Questions

More Related Questions