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 94.8-kg person straight up by means of a cable. The person has an upward acceleration of 0.700 m/s² and is lifted from rest through a distance of 8.85 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. (a) Number i (b) Number i (c) Number i Units Units Units +
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 94.8-kg person straight up by means of a cable. The person has an upward acceleration of 0.700 m/s² and is lifted from rest through a distance of 8.85 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. (a) Number i (b) Number i (c) Number i Units Units Units +
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 94.8-kg person straight up by means of a cable. The person has an upward
acceleration of 0.700 m/s2 and is lifted from rest through a distance of 8.85 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.
(a) Number i
(b) Number i
(c) Number i
(d) Number i
Units
Units
Units
Units
+
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