Physics Quicksheets - Work, Energy, & Momentum

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Author:
awc1990
ID:
227418
Filename:
Physics Quicksheets - Work, Energy, & Momentum
Updated:
2013-07-17 13:55:25
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Physics Quicksheets Work Energy Momentum
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Kaplan Quicksheets Chapter 3
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  1. Kinetic Energy:
    Kinetic Energy: the energy associated with moving objects. It is given by:

  2. Total Mechanic Energy:


    Mechanical energy is conserved when the sum of kinetic and potential energies remains constant.
  3. Work-Energy Theorem:
    Relates the work performed by all forces acting on a body in a particular time interval to the change in kinetic energy at that time: 

    The expression is

  4. Conservation of Energy:
    When there are no nonconservative forces (e.g. friction) acting on a system, the total mechanical energy remains constant:

  5. Momentum:
    A vector quantity. It is given by:

    p = mv
  6. Elastic Collisions: 

    Target at rest...




    Conservation of Momentum:




    Conservation of Kinetic Energy:


  7. Completely Inelastic Collisions:

    Target at rest...

    Conservation of Momentum:

    • Kinetic Energy:

    Before:    After:

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