caribbeangod2731
caribbeangod2731
27-01-2016
Physics
contestada
can someone help me on no. 6
Respuesta :
AL2006
AL2006
27-01-2016
Efficiency = (energy that does the job) / (total energy used)
= (45 J) / (120J)
I think you can handle the division.
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42+48/6=? 48/6 meaning a fraction not division
