She counts the number of revolutions to be 20 in 60 s what


To determine how well a bicycle wheel is lubricated, the mechanic in the repair shop starts it spinning and lets it coast, measuring the time until it stops. She counts the number of revolutions to be 20 in 60 s. What is the angular deceleration?

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Physics: She counts the number of revolutions to be 20 in 60 s what
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