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A steam turbine has an efficiency of 40.0%. A steam engine has an efficiency of 25.0%. Suppose both devices are provided with 1000 J of thermal energy. How much more useful work will the steam turbine
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43 votes
43 votes
A steam turbine has an efficiency of 40.0%. A steam engine has an efficiency of

25.0%. Suppose both devices are provided with 1000 J of thermal energy. How much
more useful work will the steam turbine do? Show your work.

User Jon Raasch
by
3.3k points

1 Answer

10 votes
10 votes

Answer:

150J (joules)

Step-by-step explanation:

25% efficiency of 1000J = 250J

40% efficiency of 1000J= 400J

400-250=150

User Matheus Lima
by
3.1k points
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