Khan Academy on a Stick

Impact velocity from given height

Determining how fast something will be traveling upon impact when it is released from a given height

Kinematic formulas and projectile motion

Average velocity for constant acceleration
Acceleration of aircraft carrier takeoff
Deriving displacement as a function of time, acceleration, and initial velocity
Plotting projectile displacement, acceleration, and velocity
Projectile height given time
Deriving max projectile displacement given time
Impact velocity from given height
Viewing g as the value of Earth's gravitational field near the surface

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This collection was created November 2014.