A 50-G Particle Moving 60 M/s Collides with a 2 $\degree$

Multiple Choice

A 5.0-g particle moving 60 m/s collides with a 2.0-g particle initially at rest.After the collision each of the particles has a velocity that is directed 30 $\degree$ from the original direction of motion of the 5.0-g particle.What is the speed of the 2.0-g particle after the collision?

A) 72 m/s
B) 87 m/s
C) 79 m/s
D) 94 m/s
E) 67 m/s