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Author Question: By how much is the energy stored in a Hooke's law spring increased when its stretch is increased ... (Read 32 times)

CharlieWard

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By how much is the energy stored in a Hooke's law spring increased when its stretch is increased from 4.00 cm to 8.00 cm?
 a. 100
  c. 300
  b. 200
  d. The correct answer is not given.

Question 2

The efficiency of a Carnot engine operating between 100C and 0C is most nearly:
 a. 7.
  c. 27.
  b. 15.
  d. 51.



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Yixagurpuldink

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Answer to Question 1

C

Answer to Question 2

C




CharlieWard

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Reply 2 on: Jul 28, 2018
:D TYSM


patma1981

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Reply 3 on: Yesterday
Excellent

 

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