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A projectile is shot horizontally at 23.4 m/s from the roof of a building 55 m...

A projectile is shot horizontally at 23.4 m/s from the roof of a building 55 m tall and experiences negligible air resistance.

A) determine the time necessary for the projectile to reach the ground below

B) determine the distance from the base of the building that the projectile lands

C) determine the horizontal and vertical component of the velocity just before the projectile reaches the ground

Please show the work and equations used so I can learn how to do problems like this. Thank you
science   physics   
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