physics lecture 1

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  1. The five steps to solving a physics question
    confidence, diagram, system, formula, plug n chug
  2. This is a physical quantity that has magnitude but no direction
  3. this has a physical quantity with both magnitude and direction. Can be represented by an arrow
    A vector
  4. A2 + B2 = C2
    Pythagorean Theorem
  5. What does SOH CAH TOA stand for?
    • Sine Opposite over hypotenuse
    • Cosine adjacent over hypotenuse
    • Tangent opposite over adjacent
  6. Any vector can be replaced by this type of vector. They are always at right angles to each other and their sum is equal to the vector being replaced.
    Component Vector
  7. The most common triangle for the MCAT
    • 3-4-5
    • 5-12-13
  8. scalar: Distance/time =
    vector: displacement/time=
    • speed
    • Velocity
  9. This vector is defined as the rate of change in velocity either in magnitude or direction.
    Change in velocity/time
  10. uniformly accelerated motion is motion with constant acceleration.
    What are the three uniformly accelerated motion?
    • x=x0+vot+(1/2)at2
    • v=vo+at
    • v2=vo2+2ax
  11. what is the equation for average veolcity?
  12. The peak height for the projectile formula
    vosin(teta)=square root(2gh)
  13. A large one of these increases air resistance because it allows for more collisions with air molecules
    surface area
  14. This is created when projectile collides with air molecules. It is a type of friction that is affected by surface area, shape, and velocity. Mass doesn't change it but it can alter the path of the projectile.
    Air resistance
  15. formula for speed

    • d=distance
    • t=time
    • v=speed
  16. formula for velocity
    velocity = displacement/time
  17. formula for acceleration
    acceleration=change in velocity/time
  18. another formula with constant acceleration
    v= square root(2gh)
    what is the value of g?
    g= 10m/s2

Card Set Information

physics lecture 1
2014-02-25 17:01:42
mcat physics

basic physics
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