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Chapter 2, Section 4. Projectile Motion: Launching Things into the Air. October 5, 2010 HW: 2.4 PTG #1-7, Skip 4, Due Thursday P/T Conferences: Oct. 6-7, 4-7:30pm . Report Cards will be given at conferences. Do Now: WDYS/WDYT Pg. 174 Agenda: Do Now LO/SC 2.4 Investigate pg. 174-176.

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chapter 2 section 4

Chapter 2, Section 4

Projectile Motion: Launching Things into the Air

slide2
October 5, 2010HW: 2.4 PTG #1-7, Skip 4, Due ThursdayP/T Conferences: Oct. 6-7, 4-7:30pm . Report Cards will be given at conferences
  • Do Now:
    • WDYS/WDYT
      • Pg. 174
  • Agenda:
    • Do Now
    • LO/SC
    • 2.4 Investigate pg. 174-176
  • Learning Objective:
    • Compare horizontal motion to vertical motion in projectile motion
  • Success Criteria:
    • Apply the terms free fall, projectile, trajectory, and range
    • Provide evidence concerning projectiles launched horizontally from the same height at different speeds (including zero launch speed)
    • Explain the relationship between the vertical and horizontal components of a projectile’s motion
2 4 investigate part a coins
2.4 Investigate: Part A Coins
  • Set up Notebooks
  • Assign Jobs
  • #1-2 minutes
  • #2-5 minutes
  • #3-10 Minutes
  • #4-5 Minutes
2 4 investigate part a
2.4 Investigate: Part A
  • Teacher Demo of coins (pennies, quarters, penny and quarter)
  • http://www.youtube.com/watch?v=qErh402eJgI
slide6
October 6, 2010HW: 2.4 PTG #1-7, Skip 4, Due ThursdayP/T Conferences: Oct. 6-7, 4-7:30pm . Report Cards will be given at conferences
  • Do Now:
    • Describe what would happen if you dropped a bowling ball and a marble from the same height.
  • Agenda:
    • Do Now
    • LO/SC
    • Physics Talk
    • Quiz
  • Learning Objective:
    • Compare horizontal motion to vertical motion in projectile motion
    • Explain the impact of gravity in free falling objects
    • Explain how initial velocity and the angle of velocity impact the range of an object with projectile motion
  • Success Criteria:
    • Apply the terms free fall, projectile, trajectory, and range
    • Provide evidence concerning projectiles launched horizontally from the same height at different speeds (including zero launch speed)
    • Explain the relationship between the vertical and horizontal components of a projectile’s motion
    • Recognize the factors that affect the range of projectiles
    • Infer the shape of a projectile’s velocity.
2 4 physics talk
2.4 Physics Talk
  • What is a projectile?
  • What happens to two objects that are dropped at the same time if there is little/no air resistance?
  • An object traveling through the air
  • They will hit the ground at the same time
2 4 physics talk1
2.4 Physics Talk
  • Does the horizontal motion of the object affect the time it hits the floor?
  • No! Horizontal motion and vertical motion are independent of each other!
2 4 physics talk2
2.4 Physics Talk
  • What happens to velocity with projectiles?
  • Horizontal velocity remains the same!
  • Vertical velocity is constantly changing (acceleration due to gravity)
  • Horizontal and vertical velocity can be combined to predict the range of a projectile.
what do you think now
What do you think now?
  • Answer question on pg. 181
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