necolewiggins9287 necolewiggins9287

20-05-2023
Physics

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a disc-shaped grindstone of mass 3.0 kg and radius 8.0 cm is spinning at 600 rev/min. after the power is shut off, a man continues to sharpen his axe by holding it against the grindstone until it stops 10 s later. what was the stone's initial kinetic energy when the power was turned off?

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