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April 24, 2014

Homework Help: Physics

Posted by Z32 on Wednesday, February 16, 2011 at 12:25am.

How much energy does it extract from the outside air with coefficient of performance 3.85?
A heat pump has a coefficient of performance of 3.85 and operates with a power consumption of 6.91 x 10^3 W.

The first part of the question asked How much energy does it deliver into a home during 8 h of continuous operation? and I got 766180800 J.

I need help on the last part which asks How much energy does it extract from the outside air? answer in Joules.

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