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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 59 times)

CharlieWard

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on: Jul 28, 2018
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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Reply #1 on: Jul 28, 2018
Answer to Question 1

C

Answer to Question 2

C


CharlieWard

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Reply 2 on: Jul 28, 2018
YES! Correct, THANKS for helping me on my review

xiaomengxian

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Reply 3 on: Yesterday
Wow, this really help

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