a fan uses 150j of mechanical energy, 20j of heat and 75j of sound energy a) what

QuestionsCategory: sciencea fan uses 150j of mechanical energy, 20j of heat and 75j of sound energy a) what
Glen Morales asked 3 months ago
a fan uses 150j of mechanical energy, 20j of heat and 75j of sound energy

a) what is the total input energy
b) what is the total useful output energy
c)what is the total wasted energy
d) what is the energy efficiency
e) what percent of the energy was wasted

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