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A machine is supplied energy
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
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Unmei
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A calorie is defined as ¬¬¬¬________.
A. A unit of energy supplied by foods with refined sugars B. A unit of measure supplied
4 answers
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Aya
2,005 views
When a science teacher talks about a machine’s efficiency, what is she comparing?
----------------------------------- A. the
2 answers
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Nick
354 views
The first law of thermodynamics says that a machine cannot create any more _____ than is supplied as fuel.
motion energy force
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trump101
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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
3 answers
asked by
Unmei
1,048 views
1. A machine is supplied energy at a rate of 4,000 W and does useful work at a rate of 3,760 W. What's the efficiency of the
1 answer
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Anonymous
798 views
In a simple machine the energy input is 120J. If the efficiency of the machine is 80%, calculate the energy output of the
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Derrick
687 views
In an ideal machine, there is no energy loss, causing an efficiency of 100%. However, no machine is
ideal, and all machines will
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unknown 2.0
29 views
Use the table to answer the question.
Machine Output Work (J) Input Work (J) A 750 1,500 B 1,000 4,000 C 450 600 D 3,000 5,000
8 answers
asked by
IWannaBeADawg
354 views
Use the table to answer the question.
Machine Output Work (J) Input Work (J) A 750 1,500 B 1,000 4,000 C 450 600 D 3,000 5,000
1 answer
103 views