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##### (Solution Download) You have a horizontal grindstone (a disk) that is 89 kg, has a0.38 m radius, is turning at 85 rpm (i

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 You have a horizontal grindstone (a disk) that is 89 kg, has a0.38 m radius, is turning at 85 rpm (in the positive direction), and you press a steel axe against the edge with a force of 21 N in the radial direction.  Randomized Variablesm = 89 kg r = 0.38 m f = 85 rpm F = 21 N Part (a) Assuming that the kinetic coefficient of friction between steel and stone is 0.20, calculate the angular acceleration of the grindstone in rad/s2. Part (b) What is the number of turns, N, that the stone will make before coming to rest?

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This question was answered on: Oct 24, 2017

Solution~00017283880900.zip (18.37 KB)

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