A Woman Stands on the Edge of a Cliff and Throws

Multiple Choice

A woman stands on the edge of a cliff and throws a stone vertically downward with an initial speed of 10 m/s. The instant before the stone hits the ground below, it has 450 J of kinetic energy. If she were to throw the stone horizontally outward from the cliff with the same initial speed of 10 m/s, how much kinetic energy would it have just before it hits the ground?

A) 50 J
B) 100 J
C) 450 J
D) 800 J
E) 950 J