Two Birds of Prey Hurtling After the Same Mouse Collide

Multiple Choice

Two birds of prey hurtling after the same mouse collide in mid-air and grab each other with their talons. Each 250-g bird is flying at 30 m/s at a 60° angle to the ground.
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Use this exhibit to answer the following question(s) .
- What is the horizontal component of their momentum, in , immediately after the collision?

A) 0
B) 6.1
C) 7.5
D) 13
E) 15