A stock person at the local grocery store has a job consisting of the following five segments:.1) picking up boxes of tomatoes from the stockroom floor2)accelerating to a comfortable speed.3) Carring the boxes to the tomato display at constant speed.4)decelerating to a stop.5) lowering the boxes slowly to the floor. During which of the five segments of the job does the stock person do positive work on the boxes?A) (2) and (3)B) (1) and (2)C) (1) onlyD) (1), (2), (4) and (5)E) (1) and (5)
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Yvette hangs a 2.4kg bird feeder in the middle of a rope tied between two trees. the feeder creates a tension of 480 n in each side of the the rope.
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Awater slide of length l has a vertical drop of h. abby's mass is m. an average friction force of magnitude f opposes her motion. she starts down the slide at initial speed vi. use work-energy ideas to develop an expression for her speed at the bottom of the slide. then evaluate your result using unit analysis and limiting case analysis. express your answer in terms of the variables h, m, l, vi, f and appropriate constants. vf v f
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A stock person at the local grocery store has a job consisting of the following five segments:.1) pi...
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