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Force of impact- The force of impact is the force used to move or stop something. It is equal to momentum and can be found using the equation Mass * Velocity = Force * Time.

Horizontal velocity (Vh)- Horizontal Velocity is the speed at which an object moves horizontally. It is found by dividing the horizontal distance by the time it takes to travel that distance. It is separate from vertical velocity and only takes in account the horizontal distance.

Vertical velocity (Vv)- The Vertical Velocity is the velocity of an object as it rises or falls. It is calculated by multiplying the force of gravity (9.8 m/s) by the time of fall/rise. It is used to find the speed of an object moving up or down and doesn't factor in horizontal distance.

Total velocity (Vtotal)- Total velocity is the vector velocity by taking Horizontal Velocity and Vertical Velocity. To find the total velocity you need to use the Pythagorean theorem where Vh and Vv are the legs and the total velocity is the hypotenuse.

Conservation of Momentum- Conservation of Momentum is the equation that shows that the total momentum of two objects is the same even after a collision.

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