Shooting a Ball from a Block Sliding Down a Ramp

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A block slides down a ramp and, at a given time, a ball is launched with a velocity perpendicular to the block. The green curve shows the trajectory of the ball. It always lands back on the block.
Contributed by: Nicholas Mecholsky (March 2011)
Based on a program by: Fernand Brunschwig and Joe Bolte
Open content licensed under CC BY-NC-SA
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"Shooting a Ball from a Block Sliding Down a Ramp"
http://demonstrations.wolfram.com/ShootingABallFromABlockSlidingDownARamp/
Wolfram Demonstrations Project
Published: March 7 2011