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How far is the Earth from the sun?

  1. Aug 15, 2015 #1
    1. The problem statement, all variables and given/known data
    Light from the sun reaches Earth in 8.3 min. How far is the Earth from the sun?
    The velocity of light is 3 × 10^8 m/s.

    Answer in units of m.

    2. Relevant equations

    3. The attempt at a solution
    8.3 min = 498 sec

    3e8 x 498 = 1.494e11 m
  2. jcsd
  3. Aug 15, 2015 #2
    Do you have a question?
  4. Aug 15, 2015 #3
    Compare with ' 149.6 million km ' - Yes , it is .
  5. Aug 20, 2015 #4


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    Gold Member

    @Beanie it's absolutely correct. An easy question, these patterns are just difficult if you mess up the calculation part.
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