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Author Question: The intensity at a distance of 6.0 m from a source is 6 10-10 W/m2. (a) What is the power level ... (Read 72 times)

rlane42

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on: Jul 27, 2018
The intensity at a distance of 6.0 m from a source is 6  10-10 W/m2.
 
  (a) What is the power level emitted by the source?
  (b) What is the intensity level in dB?

Question 2

Based on its distance from the Sun, we would expect the surface of Venus to be
 
  A) much hotter than the Earth
  B) much colder than the Earth
  C) a little hotter than the Earth
  D) the same temperature as the Earth


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CourtneyCNorton

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Reply #1 on: Jul 27, 2018
Answer to Question 1

(a) 2.7  10-7 W/m2
(b) 28 dB

Answer to Question 2

C


rlane42

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Reply 2 on: Jul 27, 2018
Excellent

nothere

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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