Homework Help: physics

Posted by Anonymous on Tuesday, March 1, 2011 at 3:43pm.

Two automobiles of equal mass approach an intersection. One vehicle is traveling with velocity 15.5 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 51.0° north of east. What was the initial speed of the northward-moving vehicle?

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