Bobo jumps out of a plane 2,000 m in the air. If Bobo has a mass of 100 kg, how much kinetic energy will he have after falling for 200 m? Assume no air resistance.
V^2 = Vo^2 + 2g*h = 0 + 19.6*2000 = 3920
V = 62.6 m/s.
KE = 0.5m*V^2 = 50*62.6^2 = 195,938 J.