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# (a) Compute the torque developed by an industrial motor ## Problem 35E Chapter 10

University Physics | 13th Edition

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Problem 35E

(a) Compute the torque developed by an industrial motor whose output is 150 kW at an angular speed of 4000 rev/min. (b) A drum with negligible mass, 0.400 m in diameter, is attached to the motor shaft, and the power output of the motor is used to raise a weight hanging from a rope wrapped around the drum. How heavy a weight can the motor lift at constant speed? (c) At what constant speed will the weight rise?

Step-by-Step Solution:

Solution 35E Step 1: Given data: Power output P = 150 kW Angular speed w = 4000 rev/min × (2 rad/60 sec) w = 418.87 rev/sec Step 2: (a).Power is given by P = w Torque computed is = P/w = 150 × 10 /(418.87 rev/sec) = 358.09 N/m

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##### ISBN: 9780321675460

The answer to “(a) Compute the torque developed by an industrial motor whose output is 150 kW at an angular speed of 4000 rev/min. (b) A drum with negligible mass, 0.400 m in diameter, is attached to the motor shaft, and the power output of the motor is used to raise a weight hanging from a rope wrapped around the drum. How heavy a weight can the motor lift at constant speed? (c) At what constant speed will the weight rise?” is broken down into a number of easy to follow steps, and 78 words. Since the solution to 35E from 10 chapter was answered, more than 762 students have viewed the full step-by-step answer. This full solution covers the following key subjects: motor, weight, speed, output, constant. This expansive textbook survival guide covers 26 chapters, and 2929 solutions. The full step-by-step solution to problem: 35E from chapter: 10 was answered by , our top Physics solution expert on 05/06/17, 06:07PM. University Physics was written by and is associated to the ISBN: 9780321675460. This textbook survival guide was created for the textbook: University Physics, edition: 13.

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