A 1500 kg car stopped at a traffic light is struck from the rear by a 700-kg car, and they become entangled, moving along the same path as that of the originally moving car. If the smaller car were moving at 15.0 m/s before the collision. (c.) Suppose we reverse the masses of the cars-a stationary 700-kg car is struck by a moving 1500 kg car. What is the final speed? 1.25 m/s

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