# Answer on Mechanics | Relativity Question for Alysha

Question #15852

This question is simple kinematics. If the initial velocity is 22 m/s and the ball is headed upwards we are trying to figure out time correct? so We know that when a ball reaches its maximum height it is at a velocity of 0. In this case there is no acceleration listed, so we can assume that the acting force is gravity. (- 9.81 m/s squared.) Now that we have an initial velocity, a final velocity, and an acceleration we can solve for t using the formula. v final - v initial divided by acceleration = T

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