The concepts in this problem are similar to those in Multiple-Concept Example 4, except that the force doing the work in this problem is the tension in the cable. A rescue helicopter lifts a 82.3-kg person straight up by means of a cable. The person has an upward acceleration of 0.668 m/s2 and is lifted from rest through a distance of 9.10 m. (a) What is the tension in the cable? How much work is done by (b) the tension in the cable and (c) the person's weight? (d) Use the work-energy theorem and find the final speed of the person.
The concepts in this problem are similar to those in Multiple-Concept Example 4, except that the force doing the work in this problem is the tension in the cable. A rescue helicopter lifts a 82.3-kg person straight up by means of a cable. The person has an upward acceleration of 0.668 m/s2 and is lifted from rest through a distance of 9.10 m. (a) What is the tension in the cable? How much work is done by (b) the tension in the cable and (c) the person's weight? (d) Use the work-energy theorem and find the final speed of the person.
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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
Transcribed Image Text:The concepts in this problem are similar to those in Multiple-Concept Example 4, except that the force doing the work in this problem is the tension in the cable. A rescue helicopter lifts a 82.3-kg person straight up by means of a cable. The person has an upward acceleration of 0.668 m/s² and is lifted from rest through a distance of 9.10 m. (a) What is the tension in the cable? How much work is done by (b) the tension in the cable and (c) the person's weight? (d) Use the work-energy theorem and find the final speed of the person.
### Diagram Explanation:
The image shows a helicopter hovering above, lifting a person with a cable. The helicopter is depicted in flight with the cable extending downward to the person below. The person is shown being lifted straight up. The diagram includes arrows indicating the direction of forces and movement:
- An upward arrow next to the person indicates the direction of lift and acceleration.
- A downward arrow represents the weight of the person, illustrating gravitational force.
This diagram helps visualize the problem by showing the forces involved in the lifting process.
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