How far to the nearest tenth of a meter can a runner running at 5.33 m/s run in the time it takes a rock to fall from rest 67 meters?
h = Vo*t + 0.5g*t^2 = 67 m.
0 + 4.9t^2 = 67
t^2 = 13.67
Tf = 3.7 s = Fall time.
d = Vo*Tf = 5.33m/s * 3.7s = 19.7 m.