Posted: December 9th, 2016
What was the initial speed of the northward-moving vehicle?
Two automobiles of equal mass approach an intersection. One vehicle is traveling with velocity 14.0 m/s toward the east and the other is traveling north with speed v2i. Neither driver sees the other. The vehicles collide in the intersection and stick together, leaving parallel skid marks at an angle of 57.5° north of east. What was the initial speed of the northward-moving vehicle?
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