Two Ice Skaters Are at Rest and Facing Each Other

Multiple Choice

Two ice skaters are at rest and facing each other. One skater weighs 140 lbs and the other skater weighs 180 lbs. The skaters "push off" of each other. The 140 lb skater then moves away at 5.00 m/s to the EAST. What is the velocity of the 180 lb skater?

A) 6.50 m/s EAST
B) 6.50 m/s WEST
C) 3.89 m/s EAST
D) 3.89 m/s WEST
E) 1.55 m/s EAST