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Free-fall due to gravity - In the absence of air resistance (no air), a feather and a hammer fall at the same acceleration.
Bullet fired -vs.- bullet dropped - Jamie and Adam of Mythbusters show us that a bullet falls vertically at the same acceleration regardless of its horizontal velocity.
Horizontal Velocity remains constant -
A demonstration by Walter Lewin of MIT showing that Vx remains constant during projectile motion.
A skateboarder demonstrates that his horizontal velocity remains the same as his skateboard's as he performs a parabolic jump.
Two dimensional motion is broken down into its X and Y components. One motor controls X motion while a second motor controls Y motion. This is also an example of parametric equations with each motor displaying its own position vs time functionality.
The human body as a projectile (just for fun!)
My Morning Run - Do not try this at home (or at church).
Cannonbells (Intel Human Chime)
How NOT to jump over a swimming pool
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