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12 years ago
A 1200-kg pick-up truck traveling south at 15.0 m/s collides with a 750-kg car traveling east. The two vehicles stick together. A patrolman investigating the accident determines that the final position of the wreckage after the collision is 25.0 m, at an angle of 50.0° south of east, from the point of impact. He also determines that the coefficient of friction between the tires and the road at that location was 0.400. What was the speed of the car before the collision?
A) 19.6 m/s
B) 4.84 m/s
C) 14.0 m/s
D) 23.4 m/s
E) 17.4 m/s
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12 years ago
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