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Statement of a problem № 2551

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A 7500-kg truck traveling at 5.0 m/s east collides with a 1500-kg car moving at 20 m/s in a direction 30° south of west. After collision, the two vehicles remain tangled together. With what speed and in what direction does the wreckage begin to move?

Solution:
A 7500-kg truck traveling at 5.0 m/s east collides with a 1500-kg car moving at

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