A Plate Falls Vertically to the Floor and Breaks Up

Multiple Choice

A plate falls vertically to the floor and breaks up into three pieces, which slide along the floor. Immediately after the impact, a 200-g piece moves along the x-axis with a speed of 2.00 m/s and a 235-g piece moves along the y-axis with a speed of 1.50 m/s. The third piece has a mass of 100 g. In what direction does the third piece move?

A) 216.9° from the x-axis
B) 221.4° from the x-axis
C) 36.9° from the x-axis
D) 39.9° from the x-axis
E) 41.4° from the x-axis