Answer to Question #19309 in Mechanics | Relativity for Ashley

Question #19309

An east bound care(1000kg), northbound car(2000 kg)and south bound car (1500kg) are on a collision course at an intersection. Right before they collide, there are found to be moving at 50 mph, 30 mph, and 60 mph respectively. Find the speed of the wreckage right after the collision if they all stick together after the collision.

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