A machine is supplied energy at a rate of 4,000 W and does useful work at a rate of 3,760 W. What is the efficiency of the machine

asked Sep 16, 2018 109k views

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2 votes

Answer:

94%

Step-by-step explanation:

100% sure its right

Racer answered Sep 19, 2018

by Racer

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4 votes

= (3,760 joule/sec) / (4,000 joule/sec)

= 3,760 / 4,000 = 0.94 = 94%

Aditya Pawade answered Sep 19, 2018

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