Solution: A safety device brings the blade of a power mower
Chapter 9, Problem 9.17(choose chapter or problem)
A safety device brings the blade of a power mower from an initial angular speed of v1 to rest in 1.00 revolution. At the same constant acceleration, how many revolutions would it take the blade to come to rest from an initial angular speed v3 that was three times as great, v3 = 3v1?
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