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OpenStudy (anonymous):
You use an inclined plane to move furniture into a truck. You perform 105 kJ of work, but only do 88 kJ of useful work. What is the efficiency of the inclined plane?
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OpenStudy (fifciol):
\[efficienty=\frac{ measuredperformance }{ ideal performance }\]
OpenStudy (ivancsc1996):
The efficiency is:\[\frac{ 88kJ }{ 105kJ }=\]83.8%
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