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I How to find the sound power in a collision?

  1. Aug 1, 2016 #1
    How would you go about calculating the sound power and sound pressure given the pressure (as in collisions [force/area]) of the collision, kinetic energy in the collision, velocities of both objects, densities and masses. Is this possible? Is the pressure of the collision equal to the sound pressure produced?

    I am sorry if I put the thread in the incorrect difficulty level.
     
  2. jcsd
  3. Aug 1, 2016 #2

    anorlunda

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    As I think of automobiles or airplanes crashing, and I think of all the crunching and tearing, I am led to believe that finding the fraction of energy given of as sound to be something impossible to calculate.

    Perhaps you have a much simpler ideal case in mind. Smooth rigid objects of particular shapes? Even then, it would be exceedingly hard. I think of the different sounds given off by colliding spheres of glass, wood, metal, and ceramics (i.e. billard balls). Some ring, some thud.
     
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