Asked by alex

determine the speed of a mass (1.00kg) after it has fallen a vertical distance of 12.5 meters
Answered by Henry
Vf^2 = Vo^2 + 2gd,
Vf^2 = 0 + 2*9.8*12.5,
Vf^2 = 245,
Vf = 15.7m/s.