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17. A block is pulled 7.0 m across a frictionless surface by means of a rope. The tension in the rope is 40 N; and

17. A block is pulled 7.0 m across a frictionless surface by means of a rope. The tension in the rope is 40 N; and the net work done on the block is 191 J. What angle does the rope make with the horizontal? A. 410 B. 280 C. 470 D. 620 E. 880

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