it will take 0.9375seconds which is less than 1 second to reach maximum height, then the ball starts descending. Just after 1 sec, ball is below its maximum height and in downward motion.
Lets say pi is 3.14 The area of a circle is: pi*radius squared The radius is half the diameter so it is 5 inches. 3.14*5 squared 2 3.14*25 78.5inches squared
