Calculus I
Section 6.6 – Free Fall
1. A ball is thrown vertically upward from ground level with a velocity of 80 ft/sec.
a. When will the ball reach its maximum height?
b. What is the maximum height?
c. How long is the entire trip?
d. What is the ball’s velocity when it hits the ground?
e. What is the velocity of the ball when it is 96 ft. off the ground?
2. A rock is jettisoned with velocity 40 ft/sec from the top of a cliff that is 100 ft. high.
a. When will the rock reach its maximum height? How high will it go?
b. What is the rocks velocity when it hits the ground at the base of the cliff?
