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A heat engine exhausts 3
A heat engine exhausts 3 000 J of heat while performing 1 500 J of useful work. What is the efficiency of the engine?
1 answer
asked by
JJ
2,161 views
A heat engine absorbs 126 kcal of heat and exhausts 77 kcal of heat in each cycle. Calculate the efficiency (as a percentage)
An
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asked by
Sierra
695 views
A heat engine absorbs 126 kcal of heat and exhausts 77 kcal of heat in each cycle. Calculate the efficiency (as a percentage)
4 answers
asked by
Chelsea
628 views
A heat engine absorbs 126 kcal of heat and exhausts 77 kcal of heat in each cycle. Calculate the efficiency (as a percentage)
1 answer
asked by
Riley
598 views
A heat engine absorbs 126 kcal of heat and exhausts 77 kcal of heat in each cycle. Calculate the efficiency (as a percentage)
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asked by
Chelsea
594 views
In one cycle, a heat engine absorbs 4400 J at 500C and exhausts 400 J. How much work does it do per cycle?
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asked by
Nadya
711 views
In one cycle, a heat engine absorbs 5900 J at 360°C and exhausts 520 J. How much work does it do per cycle?
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asked by
ashley
499 views
An engine removes 260 J from a reservoir at 385 K and exhausts 210 J to a reservoir at 200 K.
How much more work could be done if
1 answer
asked by
lis
682 views
Why is it impossible for a heat engine to be 100% efficient?
A) Work cannot be done on a heat engine. B) Some heat is always lost
1 answer
asked by
Iwannaknow
204 views
Why is it impossible for a heat engine to be 100% efficient?
a. Entropy always decreases in a heat engine b. Work cannot be done
1 answer
asked by
kricket
140 views