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A box is pulled by a string with horizontal force t across a horizontal, frictionless table. if the box starts from rest, what is the relationship between the speed v1 after the box has moved a distan
A box is pulled by a string with horizontal force t across a horizontal, frictionless table. if the box starts from rest, what is the relationship between the speed v1 after the box has moved a distance d and the speed v2 after the box has moved a distance 7d?