A watermelon cannon fires a watermelon vertically up into the air at a velocity of + 9.50 m/s, starting from an initial position 1.20 meters above the ground. When the watermelon reaches the peak of its flight, what is the elapsed time in sec?

Answer 1

t = (V-Vo)/g = )-9.50)/-9.8 = 0.969 s.