A trolley bus whose mass is 104 kg takes 10 s to reach a speed of 8

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A trolley bus whose mass is 104 kg takes 10 s to reach a speed of 8 m/s starting from rest. It operates from a 5-kV overhead power line and is 50 percent efficient. What is the average current drawn by the bus during the acceleration? (First calculate the final KE of the bus.)

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The Physical Universe

ISBN: 978-0077862619

16th edition

Authors: Konrad B Krauskopf, Arthur Beiser

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