Question

Collision at an Angle

To apply conservation of linear momentum in an inelastic collision.  Two cars, both of mass m, collide and stick together. Prior to the collision, one car had been traveling north at a speed 2v, while the second was traveling in a southeastern direction at an angle ϕ with respect to the east-west direction and at a speed v. After the collision, the two-car system travels in a northeastern direction at an angle θ with respect to the north-south direction and at a speed v final.

 

Find v final, the speed of the joined cars after the collision.

Express your answer in terms of v and ϕ.

final
2v
+E
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Transcribed Image Text:final 2v +E
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