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A machine requires a work input of 180-joules to achieve a work output of 140-joules. What is the efficiency of the machine?
Wiki User
∙ 7y ago
94 percent (which is easily calculated, 3760/4000x100).
Wiki User
∙ 15y ago
Wiki User
∙ 9y agoThe efficiency is 80%.
To find the efficiency, 400/500 = 80%.
Wiki User
∙ 7y agoThe efficiency is output energy (or power) divided by input energy (or power); in this case, 140 / 180.
Wiki User
∙ 14y ago3760 / 4000 = 0.94 = 94% efficient
Wiki User
∙ 11y ago94% for sure
Wiki User
∙ 14y ago125/200 = 62.5%
Wiki User
∙ 12y ago80%
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