prettygirllniyiaa
prettygirllniyiaa
19.01.2022 • 
Physics

A 1200-kg car moving at 2.5 m>s is struck directly from behind by a 2600-kg truck moving at 6.2 m>s. If the vehicles stick together after the collision, what is their speed immediately after colliding? (Assume that external forces may be ignored.)

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