A body weighing 2225 N is being dragged along a rough horizontal plane by a force "F" = 445 N. If the coefficient of friction is 1/12 and the line of the pull makes an angle of 18° above the horizontal, what are the velocities required from rest in the first 3.65 m and in the first 5.50 m?

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Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!