Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN: 9780190698614
Author: Sadiku, Matthew N. O.
Publisher: Oxford University Press
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Question
Use image below Read and Solve carefully please Write clearly and Box the Final answer(s) Express your answer to 3 Significant figures and include appropriate units. HINT : The elevator has a mass of 800 kg , the counterweight C has a mass of 200 kg, and the winding drum has a mass of 600 kg READ CAREFULLY
**Problem Description:** A motor supplies a constant torque \( M = 6 \, \text{kN} \cdot \text{m} \) to the winding drum that operates the elevator. The elevator has a mass of \( 800 \, \text{kg} \), the counterweight \( C \) has a mass of \( 200 \, \text{kg} \), and the winding drum has a mass of \( 600 \, \text{kg} \) and a radius of gyration about its axis of \( k = 0.6 \, \text{m} \). Neglect the mass of the pulleys. ([Figure 1](#)) **Part A:** Determine the speed of the elevator after it rises \( 5 \, \text{m} \) starting from rest. *Express your answer to three significant figures and include the appropriate units.* \[ v = \boxed{\text{Value}} \, \boxed{\text{Units}} \] **Submit Button Options:** - Submit - Request Answer **Provide Feedback Button** **Figure Description:** The figure illustrates an elevator system with the following components: - A motor supplying torque \( M \). - A winding drum \( D \) with a diameter of 0.8 meters connected to the elevator via ropes. - An elevator with a mass of 800 kg suspended by the drum. - A counterweight \( C \) with a mass of 200 kg on the opposing side of the elevator. - A building structure with pulleys positioned above the elevator. This setup is a standard diagram representing an elevator's operation with the associated counterweights and mechanical elements depicted.
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Transcribed Image Text:**Problem Description:** A motor supplies a constant torque \( M = 6 \, \text{kN} \cdot \text{m} \) to the winding drum that operates the elevator. The elevator has a mass of \( 800 \, \text{kg} \), the counterweight \( C \) has a mass of \( 200 \, \text{kg} \), and the winding drum has a mass of \( 600 \, \text{kg} \) and a radius of gyration about its axis of \( k = 0.6 \, \text{m} \). Neglect the mass of the pulleys. ([Figure 1](#)) **Part A:** Determine the speed of the elevator after it rises \( 5 \, \text{m} \) starting from rest. *Express your answer to three significant figures and include the appropriate units.* \[ v = \boxed{\text{Value}} \, \boxed{\text{Units}} \] **Submit Button Options:** - Submit - Request Answer **Provide Feedback Button** **Figure Description:** The figure illustrates an elevator system with the following components: - A motor supplying torque \( M \). - A winding drum \( D \) with a diameter of 0.8 meters connected to the elevator via ropes. - An elevator with a mass of 800 kg suspended by the drum. - A counterweight \( C \) with a mass of 200 kg on the opposing side of the elevator. - A building structure with pulleys positioned above the elevator. This setup is a standard diagram representing an elevator's operation with the associated counterweights and mechanical elements depicted.
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