A stone is dropped from a high cliff vertically. After 6
seconds, it hits the ground. How high is the cliff?
Please determine which of the following equations
is the best choice to solve this problem.
v² = v.2 + 2aAy
f
V₁
f= V₁ + gt
Ay=v₂t + ½ gt2
Ay = ¹/2(v₁ + v)t