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Two automobiles with equal mass approach an intersection.  One vehicle is traveling eastward and the other...

Two automobiles with equal mass approach an intersection.  One vehicle is traveling eastward and the other vehicle is traveling northward.  The vehicles collide and stick together. The northward bound vehicle left skid marks at an angle of 55 degrees north of east.  A police officer posted at the intersection clocked the eastward vehicle at 29 mph before impact. How fast, in mph, was the northbound vehicle going immediately before the impact? Assume us = 0.85 and uk = 0.65 for both vehicles.if. only the northbound car left skid marks after the collision, how long were the skid marks in feet?

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