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Wednesday, July 13, 2011

4.4

4.4 recall and use the relationship:

efficiency = useful energy output / Total energy Input Version 1

Efficiency = Useful Eout / Total Ein x 100

Useful Eout = Useful Energy Output ( J )

Total Ein = Total Energy Input ( J )

Efficiency = Efficiency ( %)

Version 2

Efficiency = Useful Eout / Total Ein

Useful Eout = Useful Energy Output ( J )

Total Ein = Total Energy Input ( J )

Efficiency = Efficiency ( No Units; a number between 0 and 1 )

Efficiency.ppt Download this file

% efficiency energy.swf Download this file

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