Refer to Exhibit 8-1 Below $\degree$ Angle to the Ground

Multiple Choice

Refer to Exhibit 8-1 below.Exhibit 8-1 Two birds of prey hurtling after the same rabbit collide in mid-air and grab each other with their talons. Each 250-g bird is flying at 30 m/s at a 60 $\degree$ angle to the ground. What is the magnitude of their velocity, in m/s, immediately after the collision?

A) 0
B) 13
C) 15
D) 26
E) 30