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anonymous

  • 4 years ago

what are the equations for the conservation of momentum for Inelastic and elastic collisions?

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  1. JamesJ
    • 4 years ago
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    A collision is elastic or not depending on whether KE is conserved or not, as we've seen in a few of your questions now. That being the case, Conservation of Momentum is unchanged whether KE is conserved or not.

  2. anonymous
    • 4 years ago
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    How do I find the change in Kinetic energy

  3. JamesJ
    • 4 years ago
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    If a body of mass m has velocity v before an event and velocity v' after the event, then the change in KE is \[ KE_{after} - KE_{before} \] \[ = \frac{1}{2}mv'^2 - \frac{1}{2}mv^2 \] \[ = \frac{1}{2}m (v'^2 - v^2) \]

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