A fast, measured pitched baseball left the pitcher's hand at a speed of 48.6 m/s. The pitcher was in contact with the ball over a distance of 1.44 m and produced constant acceleration.
I know that t=(Vf-Vi)/a based on a kinematic equation. Also, I setup:
1.44=Vi(t) + 0.5at^2
I'm mainly confused on what the initial and final velocities would be. Would the initial be 0 or 48.6 m/s?
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