Answer:
1.6 m/s²
Explanation:
For objects in free fall, constant acceleration kinematics can be used to relate the displacement, velocity, time, and acceleration.
Taking down to be positive, given:
s = 3.2 m
u = 0 m/s
t = 2.0 s
Find: a
s = ut + ½ at²
3.2 = (0)(2.0) + ½ a (2.0)²
a = 1.6 m/s²