Tensions in Each Cable; Speed of Wagon After Moving Up the Hill
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1. Two window washers, Bob and Doris, are on a uniform 3.00 m long, 345 N scaffold supported by two cables attached to its ends. Doris, who weighs 750 N stands 1.00 m from the end. Two meters from the left end is the 500 N washing equipment. Bob is 0.500 m from the right end and weighs 1000 N. Given that the scaffold is in rotational and translational equilibrium, what are the tensions in each cable?
2. A 40.0 kg wagon is towed up a hill inclined at 18.5 with respect to the horizontal. The tow rope is parallel to the incline and has a tension of 140 N in it. Assume that the wagon starts from rest at the bottom of the hill, and neglect friction. How fast is the wagon going after moving 80 m up the hill?
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Solution Summary
The solution determines the tensions in each cable, and the speed of wagon after moving up the hill.
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