Two cars are racing to an intersection. Car A is driving East at 90km/h and Car B is driving North East at 29m/s. Neither one is committed to stopping so a collision occurs and Car A ends up travelling 18m/s[E30°N]. If Car A has a mass of 2500kg and Car B has a mass of 1800kg, what is the final velocity of Car B? Is the collision elastic?
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