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White raven [17]
4 years ago
5

What is the input of energy for a device that provides 50 units of useful energy and has an efficiency of 0.55?

Physics
1 answer:
marshall27 [118]4 years ago
3 0

If that's the case, then 

                          50 units = 0.55 x the input energy

Divide each side by  0.55 :       

                   50 units/0.55  =  the input energy =

                              <em> 90 and 10/11 units</em>


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