4. A cart moving across a level surface accelerates uniformly at 1.0 meter per second2 for 2.0 seconds. What additional information is required to determine the distance traveled by the cart during this 2.0-second interval? initial velocity of the cart net force acting on the cart     coefficient of friction between the cart and the surface mass of the cart

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Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”