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A machine has a work output of 900Joules.If the work input to the machine was 1800 Joules calculate it's efficiency
5 years ago

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Answered by DrBob222
%effeciency = (output/input)*100 = ?
5 years ago
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A machine has a work output of 900Joules.If the work input to the machine was 1800 Joules calculate it's efficiency

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