PH 105-106

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  1. Average Velocity
    & Units
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    m/s
  2. Average Acceleration
    & Units
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    m/s2
  3. Velocity at time t with acceleration a:
    Units?
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    m/s
  4. Distance at time t with acceleration a:
    Units?
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    meters
  5. Find velocity at a point d with acceleration a:
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  6. distance at time t without acceleration a:
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  7. Average Velocity:
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  8. On an xy axis with a velocity with angle Image Upload between velocity and the x axis, What is the X component of the velocity? What is the Y component of velocity?
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  9. Common Trigonometric Functions:

    sin 0
    cos 0
    tan 0
    • sin 0 = 0
    • cos 0 = 1
    • tan 0 = 0
  10. sin15
    cos15
    tan15
    • sin15=0.259
    • cos15=0.966
    • tan15=0.268
  11. sin30
    cos30
    tan30
    • sin30=0.5
    • cos30=0.866
    • tan30=0.577
  12. sin45
    cos45
    tan45
    • sin45=0.707
    • cos45=0.707
    • tan45=1
  13. sin60
    cos60
    tan60
    • sin60=0.866
    • cos60=0.5
    • tan60=1.73
  14. sin75
    cos75
    tan75
    • sin75=0.966
    • cos75=0.259
    • tan75=3.73
  15. sin90
    cos90
    tan90
    • sin90=1
    • cos90=0
    • tan90= not possible.
  16. Define momentum:
    What are it's units?
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    kg m/s or N s
  17. Define Impulse:
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    • But is more useful as: Change in Momentum
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  18. Define Work:
    What are the Units?
    • Image Upload where theta is the angle between F and d
    • Its units are Joules (N m)
  19. Define Power
    What are the units?
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    It is Joules/s or Watts.
  20. Define Kinetic Energy:
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    the Joule
  21. Define PotentialG Energy
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    The Joule
  22. When is total mechanical energy conserved?
    When the sum of PE and KE is constant
  23. What is the Work Energy Theorum?
    • All work performed is equal to the Change in Kinetic Energy:
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Card Set Information

Author:
Anonymous
ID:
197190
Filename:
PH 105-106
Updated:
2013-02-01 19:43:39
Tags:
PH
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Description:
Important Physics Equations
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