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(5) projectile motion
(5) projectile motion
(5) projectile motion
(5) projectile motion
(5) projectile motion
(5) projectile motion
(5) projectile motion
(5) projectile motion
(5) projectile motion
(5) projectile motion
(5) projectile motion
(5) projectile motion
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(5) projectile motion

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Transcript

  • 1. Projectile Motion
  • 2. REVIEW or equations describing Free Falling bodies g = acceleration due to gravity = 9.81 m/s 2 Measured in downward direction
  • 3. Projectile Motion:
    • Assumptions:
    • Free-fall acceleration g is constant over the range of motion and is directed downward
    • The effect of air resistance is negligible.
    • The path of projectile, or trajectory is always a parabola.
  • 4. Properties of a Projectile
  • 5. Properties of Projectile Motion
  • 6. Projectile Fired from the Origin
  • 7. Sample Problem 1:
    • A golfer strikes the ball which leaves the tee at an angle of 35 degrees to the horizontal with an initial speed of 40 m/s. Assume the course from tee to green is level determine:
    • (a) The time of flight
    • (b) The range
    • (c) The maximum height of the ball
  • 8. Sample Problem 2:
    • A baseball thrown horizontally from the edge of the top of a building 20 m above a level field lands 45 m away from the building. Calculate the initial speed.
  • 9. Seatwork 1:
  • 10. Seatwork 2:
  • 11. Assignment:
  • 12. Reference:
    • Physics for Scientists and Engineers with modern Physics 7 th Edition by Jewett/Serway © 2008 Thompson Learning Inc.

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