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Author Question: Find the force exerted by reflecting sunlight off a reflecting aluminum sheet in space if the area ... (Read 84 times)

Jramos095

  • Hero Member
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  • Posts: 528
on: Jul 28, 2018
Find the force exerted by reflecting sunlight off a reflecting aluminum sheet in space if the area normal to the sunlight is 10 000 m2 and the solar intensity is 1 350 W/m2.
 a. 0.72 N
  b. 0.09 N
  c. 9 N
  d. 45 N
  e. 0.18 N

Question 2

The intensity of radiation reaching the earth from the sun is 1 350 W/m2 . The earth's radius is 6.4  106 m. How big a force does this radiation exert on the earth? (Assume it is all absorbed.)
 a. 5.8  108 N
  b. 1.2  109 N
  c. 2.3  109 N
  d. 4.6  109 N
  e. 1.7  1017 N


vish98

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  • Posts: 326
Reply #1 on: Jul 28, 2018
Answer to Question 1

B

Answer to Question 2

A


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