The graph in Figure 1.38 shows the distance versus time for an elevator as it moves up and down in a building. Compute the elevator's velocity at the times marked a, b, and c.
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The graph in figure shows the distance versus time for an elevator as it moves up and down in a building. compute the elevator's velocity at the times narked a, b, and c.
Ā
A cable lifts a 1270-kg elevator at a constant velocity for a distance of 37.9 m. What is the work done by (a) the tension in the cable and (b) the elevator's weight?
A cable lifts a 1200-kg elevator at a constant velocity for a distance of 35 m. What is the work done by (a) the tension in the cable and (b) the elevator's weight?
