Paraaadiip In 2.66 minutes, a ski lift raises four skiers at constant speed to a height of 137 m. The average mass of each skier is 71.9 kg. What is theaverage power provided by the tension in the cable pulling the lift?NumberUnits

Number: 2419.372 Units: WExplanation:

Answered: In 2.66 minutes, a ski lift raises four…

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter10: Work, Energy And Machines

Section: Chapter Questions

Problem 56A

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Similar questions

A student who weighs 556 N climbs a stairway (vertical height of 4.0 m) in 25 s. (a) How much work is done? (b) What is the power output of the student?
It takes 500 J of work to compress a spring 10 cm. What is the force constant of the spring?
A sled of mass 70 kg starts from rest and slides down a 10 incline 80 m long. It then travels for 20 m horizontally before starting back up an 8° incline. It travels 80 m along this incline before coming to rest. What is the magnitude of the net work done on the sled by friction?
A student expends 7.5 W of power in lifting a textbook 0.50 m in 1.0 s with a constant velocity. (a) How much work is done, and (b) how much does the book weigh (in newtons)? The answers to Confidence Exercises may be found at the back of the book.
. A compact car can climb a hill in 10 s. The top of the hill is 30 in higher than the bottom, and the car’s mass is 1,000 kg. What is the power output of the car?
. A weight lifter raises a 100-kg barbell to a height of 2.2 m. What is the barbell’s potential energy?
Work is equal to the force times the ___ distance through which the force acts. (4.1)
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Compare the work required to stop a 100-kg crate sliding at 1.0 m/s and an 8.0-g bullet traveling at 500 m/s.

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In 2.66 minutes, a ski lift raises four skiers at constant speed to a height of 137 m. The average mass of each skier is 71.9 kg. What is the average power provided by the tension in the cable pulling the lift? Number Units