-50 m = (0 m/s) (t) + ½ • (-9.8 m/s2). (t)2

-50m = (0 m) *(t) + (-4.9 m/s2) • (t)2

-50 m = (-4.9 m/s2). (t)2

(-50 m)/(-4.9 m/s2) = t2


S2 = 12

t =