Diver jump from cliff at heights of 85 to 115 feet above the water. After t seconds, a diver has fallen 16t2 feet. Does a diver jumping from a height of 85 feet reach the surface of the water within 2 seconds?
16t^2 = 85
t^2 = 85/16
t = √85/4 = appr 2.3
What do you think?