Question #206842

From the top of a building 75m, a bullet is fired at an angle of 45° above the horizontal with an initial velocity of 270 m/s. Find the time until it hits the ground.

Expert's answer

The initial vertical velocity is downward and the acceleration due to gravity will increase this downward velocity

Changing to standard quadratic form yields

This equation can be solved with the quadratic Equation:

t = 0.39 sec

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