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miracle04:
The input work done on a machine is 9.63 × 103 joules, and the output work is 3.0 × 103 joules. What is the percentage efficiency of the machine?
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EvL:
\(\sf Efficiency= \Large \frac{Output\ Work}{Input\ Work} \times 100%\)
EvL:
substitute your given values into the formula and you should get it. If you get stuck, don't hesitate to ask (:
Ultrilliam:
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