On the moon the acceleration due to gravity is -1.6m/sec. a stone is dropped off a cliff on the moon....?

and hits the surface of the moon 20 sec. later. How far did it fall and what is the velocity impact? a(t)= -9.8m/secOn the moon the acceleration due to gravity is -1.6m/sec. a stone is dropped off a cliff on the moon....?
The initial velocity of the stone (vo) = 0 m/s


d = vot + (1/2)at虏;


d = (0) (20 s) + (1/2) (1.6 m/s虏) (20 s)虏 = 320 m. This is the distance the stone fell in meters.





vf = vo + at;


vf = 0 + (1.6 m/s虏) (20 s) = 32 m/s. This is the velocity at impact in meters per second.