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An electric motor with an efficiency of 80% drives the pulley system shown to lift a 400 kg crate. After the motor is turned on the system reaches a constant lifting speed vo and the motor is drawing 15 kW. Assume that the motor is operating at it rated efficiency and the friction losses and mass of the pulleys are neglgibile. Determine vo.

An electric motor with an efficiency of 80% drives the pulley system shown to lift a 400 kg crate. After the motor is turned on the system reaches a constant lifting speed vo and the motor is drawing 15 kW. Assume that the motor is operating at it rated efficiency and the friction losses and mass of the pulleys are neglgibile. Determine vo.

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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An electric motor with an efficiency of 80% drives the pulley system shown to lift a 400 kg crate. After the motor is turned on the system reaches a constant lifting speed vo and the motor is drawing 15 kW. Assume that the motor is operating at it rated efficiency and the friction losses and mass of the pulleys are neglgibile. Determine v0. 19 m UO
Transcribed Image Text:An electric motor with an efficiency of 80% drives the pulley system shown to lift a 400 kg crate. After the motor is turned on the system reaches a constant lifting speed vo and the motor is drawing 15 kW. Assume that the motor is operating at it rated efficiency and the friction losses and mass of the pulleys are neglgibile. Determine v0. 19 m UO
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