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 80.9-kg person straight up by means of a cable. The person has an upward acceleration of 0.722 m/s² and is lifted from rest through a distance of 10.8 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 Units Units Units Units 113
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 80.9-kg person straight up by means of a cable. The person has an upward acceleration of 0.722 m/s² and is lifted from rest through a distance of 10.8 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 Units Units Units Units 113
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Please explain the concepts on how to work these types of problems out. These are practice problems.Thank you for your help.
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