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String and accleration

  1. Oct 9, 2007 #1
    Another Problem

    A watch is tied to a string on an airplane. As the airplane takes off the string makes an angle of 25* to the vertical. The accleration takes about 18s. What is the accleration of the plane.

    I drew a free body diagram, but I am confused as to how I would solve this without knowing the mass of the watch or the tension of the string.
  2. jcsd
  3. Oct 9, 2007 #2

    Doc Al

    User Avatar

    Staff: Mentor

    Just call the tension T and the mass m and solve for the acceleration.
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