In the figure below, a 1400 kg block of granite is pulled up an incline at a constant speed of 1.70 m/s by a cable and winch. The indicated distances are d1 = 40 m and d2 = 30 m. The coefficient of kinetic friction between the block and the incline is 0.40. What is the power due to the force applied to the block by the cable? dz
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