Collisions in Two Dimensions: Two dogs, Rover and Fido, run on a level frictionless surface. Rover runs eastward with a momentum of 24 kg . m/s, and Fido runs northward with momentum 10 kg . m/s. They make a sudden perfectly inelastic collision. What is the magnitude of their combined momentum after the collision?
A. 14 kg . m/s
B. 26 kg . m/s
C. 34 kg . m/s
D. It cannot be determined without knowing the masses and velocities of the dogs.
Answer: B
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