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The electric motor in a trolley bus develops a power output of 80 hp at 1200 r/min as the bus moves up a hill at a speed of 30 miles per hour. Assuming that the gear losses are negligible, calculate the following: a. The torque developed by the motor [N-m] b. The force opposing the motion of the bus [N]

The electric motor in a trolley bus develops a power output of 80 hp at 1200 r/min as the bus moves up a hill at a speed of 30 miles per hour. Assuming that the gear losses are negligible, calculate the following: a. The torque developed by the motor [N-m] b. The force opposing the motion of the bus [N]

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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19 The electric motor in a trolley bus develops a power output of 80 hp at 1200 r/min as the bus moves up a hill at a speed of 30 miles per hour. Assuming that the gear losses are negligible, calculate the following: a. The torque developed by the motor [N-m] b. The force opposing the motion of the bus [N]
Transcribed Image Text:19 The electric motor in a trolley bus develops a power output of 80 hp at 1200 r/min as the bus moves up a hill at a speed of 30 miles per hour. Assuming that the gear losses are negligible, calculate the following: a. The torque developed by the motor [N-m] b. The force opposing the motion of the bus [N]
Expert Solution
Step 1

Given data:-

Output power = 80 h.p. at 

1200r/min 

Speed = 30miles/hour 

Find

1) torque developed by the motor? 

2) The force opposing the motion of the bus? 

 

steps

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