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I Mechanical waves Homework

  1. Sep 8, 2016 #1
    Hello everyone I couldn't figure it out a simple way to solve 15. 11 C . Please help ! Very appreciated!!!
    IMG_1473379604.604801.jpg
     
  2. jcsd
  3. Sep 8, 2016 #2

    Simon Bridge

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    What have you tried?
     
  4. Sep 9, 2016 #3
    Thank you so much for your attention ,Actually I do not have a clue how o do it . My instructor said the way to solve it is very complicated. So can you give me a hint or tell how to do that .Thank you again .
     
  5. Sep 9, 2016 #4

    olivermsun

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    Suppose you are looking at a wave traveling past you. What does wave speed mean, in relation to what you are seeing?

    Now how does the figure relate to the wave speed?
     
  6. Sep 9, 2016 #5

    Simon Bridge

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    I don't think it is complicated so much as requires that you understand the physics somewhat.
    ie. how would you normally be able to find out the speed of something - say, a car?
     
  7. Sep 11, 2016 #6
    The distance / time = velocity . But I do not jab the time here .
     
  8. Sep 11, 2016 #7

    berkeman

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    Thread locked. @Simon Bridge -- please PM the OP and explain the PF Homework Help rules.
     
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