Two skaters,both of mass 74 kg,are on skates on a frictionless ice pond.One skater throws a 0.3-kg ball at 6 m/s to his friend,who catches it and throws it back at 6 m/s.When the first skater has caught the returned ball,what is the velocity of each of the two skaters?
A) 0.02 m/s,moving apart
B) 0.04 m/s,moving apart
C) 0.02 m/s,moving towards each other
D) 0.04 m/s,moving towards each other
E) 10.88 m/s,moving apart

Question

Two skaters,both of mass 74 kg,are on skates on a frictionless ice pond.One skater throws a 0.3-kg ball at 6 m/s to his friend,who catches it and throws it back at 6 m/s.When the first skater has caught the returned ball,what is the velocity of each of the two skaters?
A) 0.02 m/s,moving apart
B) 0.04 m/s,moving apart
C) 0.02 m/s,moving towards each other
D) 0.04 m/s,moving towards each other
E) ​10.88 m/s,moving apart

Quizplus · Accepted Answer

The Answer of Two skaters,both of mass 74 kg,are on skates on a frictionless ice pond.One skater throws a 0.3-kg ball at 6 m/s to his friend,who catches it and throws it back at 6 m/s.When the first skater has caught the returned ball,what is the velocity of each of the two skaters?
A) 0.02 m/s,moving apart
B) 0.04 m/s,moving apart
C) 0.02 m/s,moving towards each other
D) 0.04 m/s,moving towards each other
E) ​10.88 m/s,moving apart

Two Skaters,both of Mass 74 Kg,are on Skates on a Frictionless