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Sensitive Light meter and meter stick to measure distance

  1. Feb 10, 2010 #1
    1. Suppose you are on the bank of a river at night. Opposite you on the other bank is a street light. You have a sensitive light meter and a meter stick. How wold you determine the distance across the river?
    1. The problem statement, all variables and given/known data



    2. Relevant equations



    3. The attempt at a solution
     
  2. jcsd
  3. Feb 11, 2010 #2

    Redbelly98

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    You'll have to provide your own thoughts or attempt at a solution before receiving help.

    What equations dealing with light sources are in your recent class notes, or textbook reading?
     
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