A safety device brings the blade of a power mower from an initial angular speed of wt

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A safety device brings the blade of a power mower from an initial angular speed of wt to rest in 1.00 revolution. At the same constant accelera1ion, how many revolutions would it take the blade to come to rest from an initial angular speed w3 that was three limes as great, w3 = 3w1?
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Physics

ISBN: 978-0321976444

5th edition

Authors: James S. Walker

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