 # Projectile Motion. What Is It? Two dimensional motion resulting from a vertical acceleration due to gravity and a uniform horizontal velocity.

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Projectile Motion

What Is It? Two dimensional motion resulting from a vertical acceleration due to gravity and a uniform horizontal velocity

Separate Galileo determined that the vertical and horizontal components of the projectile motion can be analyzed separately Acceleration due to gravity is the same regardless of horizontal velocity An object projected horizontally will reach the ground at the same time as one dropped straight down from the same height

Equations

Example 1 A student driver on a motorcycle speeds horizontally off a 50.0m high cliff. How fast must the motorcycle leave the top if it is to land 90m from the base of the cliff?

Example 2 A football is kicked at an angle of 37° with a velocity of 20m/s. Calculate a) the max height b) the time to hit the ground c) how far away it hits d) velocity at max height e) acceleration at max height

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