Needs Physics help desperately

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  1. Physics

    Someone has already posted this question, but their's was never answered, so hopefully someone can answer this. Thanks. An interference pattern is set up by two point sources of the same frequency, vibrating in phase with one another. A point on the second

    asked on December 15, 2007
  1. Physics

    Thanks for the help!

    posted on December 15, 2007
  2. Physics Questions!

    Thanks for all of your help, I talked to my other friend who had originally posted, and we both appreciate this, thanks!

    posted on December 15, 2007
  3. Physics Questions!

    mmmh are you sure it is 9 cm? It is destructive interference which means a minimum, therefore PmS1-PmS2= (m+1/2) lambda...I get 9 cm when I don't account for the m + 1/2

    posted on December 15, 2007