(2) (3 points) A ball is thrown straight up from ground level. It takes 30 seconds for the ball to fall back to ground l
Posted: Tue Sep 07, 2021 7:23 am
(2) (3 points) A ball is thrown straight up from ground level. It takes 30 seconds for the ball to fall back to ground level. As the ball is going upward, what is its upward speed when it is 10 feet above the ground?