Physics, 24.07.2019 19:00 atiyawhite7863

Isaac invents a machine that him mow the lawn. the work output of the machine is 10 foot-pounds. the work input is 20 foot-pounds. what is the efficiency of isaac's machine? i realy need with this plz me with thisi dont want to fail physics a.)1 b.)2 c.)5 d.)0.5

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Isaac invents a machine that him mow the lawn. the work output of the machine is 10 foot-pounds. th...

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