9.1+Projectile+motion

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=MOTION IN FIELDS in IB PHYSICS in nothingnerdy=

9.1 PROJECTILE MOTION
9.1.1 State the independence of the vertical and the horizontal components of velocity for a projectile in a uniform field. EXERCISE: A projectile is launched at a velocity of U at an angle θ to the horizontal. Consider the motion to be uniform velocity horizontally and uniformly accelerated vertically. Use the spreadsheet below to plot a graph. [|Parabolic graph spreadsheet.xls]

9.1.2 Describe and sketch the trajectory of projectile motion as parabolic in the absence of air resistance. Proof of the parabolic nature of the trajectory is not required.

9.1.3 Describe qualitatively the effect of air resistance on the trajectory of a projectile AIR RESISTANCE: A force which opposes motion and is proportional to velocity. This leads to terminal velocity.



VIDEO ABOUT TERMINAL VELOCITY - MAN RACES FALCON - (IF YOUTUBE WORKS FOR YOU) media type="youtube" key="1ukf2vntU44" height="263" width="321"

ACTIVITY: LINK TO PHET SIMULATION ABOUT PARABOLIC MOTION WITH AIR RESISTANCE - HIT THE TARGET! []

FAMOUS THOUGHT EXPERIMENT: The Monkey and the Hunter: []

9.1.4 Solve problems on projectile motion. Problems may involve projectiles launched horizontally or at any angle above or below the horizontal. Applying conservation of energy may provide a simpler solution to some problems than using projectile motion kinematics equations.

PRACTICE QUESTIONS ON PROJECTILES : [|http://www.saburchill.com/physics/questions/quest0192.html] AND IN CASE THE LINK CHANGES, A WORD FILE: