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What are the variables of interest in projectile motion?
Flight distance
Flight time
Maximum height
What questions can be asked in projectile motion?
If you want to throw a ball as far as possible, what angle should you release it at?
What can a diver do to increase the peak height of their dive?
How can a gymnast increase his time in the air during a dismount?
How can a place kicker increase the distance and hang time of their punts?
What is a projectile?
A body or object that
Is in the air
Is subject only to the forces of gravity and air resistance
And therefore is in free fall
The motion of the centre of mass of any object in free fall is governed by the laws of projectile motion
What is a projectile motion?
Motion of a body under the influence of only gravity (neglecting air resistance)
Once the object is airborne, we analyze the horizontal and vertical components of projectile motion separately
