You are standing on a cliff 200 feet high. How long will it take a rock to reach the ground if
a) you drop it?
b) you throw it downward at an initial velocity of 40 feet per second?
c) How far does the rock fall in 2 seconds if you throw it downward with an initial velocity of 40 feet per second?
The time for object to fall if it is thrown upward, dropped, or thrown downward is found. The solution is detailed and well presented.