Question: A steel cable lying flat on the floor drags a 20 kg block across a horizontal, friction less floor. A 100 N force applied to

A steel cable lying flat on the floor drags a 20 kg block across a horizontal, friction less floor. A 100 N force applied to the cable causes the block to reach a speed of 4.0 m/s in a distance of 2.0 m. What is the mass of the cable?

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