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Author Question: An increase of 20 dB increases the sound intensity by a factor of a. 10. b. 200. c. 100. d. ... (Read 120 times)

sjones

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on: Jul 28, 2018
An increase of 20 dB increases the sound intensity by a factor of
 a. 10.
  b. 200.
  c. 100.
  d. 20.

Question 2

What is the energy of the first rotational state of the hydrogen (H2) molecule? The separation between the protons is 1010 m and the mass of each proton is 1.67  1027 kg. (h = 6.626  1034 J  s and 1 eV = 1.6  1019 J.)


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ecox1012

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

c

Answer to Question 2

0.008 eV


sjones

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Reply 2 on: Jul 28, 2018
Gracias!

tkempin

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Reply 3 on: Yesterday
Wow, this really help

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