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A uniform 2 5 kg disk of radius 30 cm is rotating around its central...

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A uniform 2 5 kg disk of radius 30 cm is rotating around its central axis at an angular speed of 72 rad s At time t 0 a man begins to slow it at a uniform rate until it stops at t 8 s a By time t 5 s how much work had the man done b For full 8 s at what average rate did the man do work

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