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Dart Gun

  1. Oct 12, 2004 #1
    The spring constant of a toy dart gun is 4950N/m. To cock the gun the spring is compressed 3cm. The 4g dart, fired straight upward, reaches a maximum height of 39.7362385321101m, measured from the compressed position of the spring. Determine the energy dissipated by air friction during the dart's ascent.

    for these types of problems, when they ask for the air friction, how does the conservation of energy equation look?
    mech = Ugrav + Ekinetic + losses (losses = friction)?
     
  2. jcsd
  3. Oct 12, 2004 #2
    in a frictionless enviroment, all kinetic energy should be converted into potential energy. so the difference between max. kinetic and max potential energy is what you should be looking for.
     
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