on the moon an object dropped from 3.3metres takes 2 seconds to reach the ground. What is the acceleration of free fall
h = (1/2) g t^2
3.3 = .5 g (4)
g = 3.3/2 = 1.65 m/s^2
I happen to know that moon g = about earth g/6 = 9.81/6 = 1.64 m/s^2
close enough