keasiabradley
02.01.2020 •
Physics
Amachine is supplied energy at a rate of 4000 watts and does useful work at a rate of 3761 watts what
is the efficiency of the machine
Solved
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Ответ:
output energy / input energy
= output power / input power
= 3,761 watts / 4,000 watts
= (3,761 / 4,000)
= 0.94025
= 94.025 %
Ответ:
The answer is D because more volume of warm water will go into the mixture
Explanation: