Solved: On an icy road, a 1200-kg car moving at 50 km/h strikes a 4400-kg truck moving
Chapter 9, Problem 46(choose chapter or problem)
On an icy road, a 1200-kg car moving at 50 km/h strikes a 4400-kg truck moving in the same direction at 35 km/h. The pair is soon hit from behind by a 1500-kg car speeding at 65 km/h, and all three vehicles stick together. Find the speed of the wreckage.
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