anonymous
  • anonymous
How was the speed of light measured in a precise way? A. by timing how long it takes for an assistant far away to turn on a lantern after the scientist turns one on B. by watching for eclipses C. by timing the speed of falling meteorites D. by using rotating mirrors to measure light's round trip travel to a distant mountain :O :/
Physics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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Michele_Laino
  • Michele_Laino
please wait a moment, since a student asked me for help
anonymous
  • anonymous
ok!! :D
Michele_Laino
  • Michele_Laino
please wait, I'm searching for your answer into my textbook

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anonymous
  • anonymous
ok!!
Michele_Laino
  • Michele_Laino
here is my answer: In the past 1927, the rotant mirros method has been used by Michelson between Mount Wilson and Mount S. Antonio in California. The distance between those mountains is 35 Km
Michele_Laino
  • Michele_Laino
rotating mirrors*
anonymous
  • anonymous
ohh so it should be choice D? what an interesting way to measure light! :O
Michele_Laino
  • Michele_Laino
yes!
Michele_Laino
  • Michele_Laino
here is the value of c which Michelson found: \[\Large c = \left( {298,000 \pm 500} \right)Km/\sec \]
anonymous
  • anonymous
oh yay!! thank you!! :D and ooh :O
Michele_Laino
  • Michele_Laino
thank you!! :)

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