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Originally Posted by TXMike
I believe this was a foul and do not question that Just trying to be straight on the math. Wouldn't the ball go up faster than it comes down, i.e. it would have to be moving faster than gravity in order to continue upwards?
Therefore, shouldn't the equation take that into account?
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The ball accelerates up with the force it is thrown with. Eventually gravity overcomes that force. It stops when it's speed equals zero. At that point gravity has exerted just enough force to bring the speed from initial velocity to 0. It will exert exactly that much force on the way down and the ball will end up travelling at initial velocity. (Plus a little because locker released the ball about 5 feet off the ground.
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