Imagine a CD with an outer radius of 12 mm and an inner radius of 2 mm.
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Question:
Imagine a CD with an outer radius of 12 mm and an inner radius of 2 mm. A speck of dust on the outer edge completes a full revolution in 0.5 seconds. A speck of glitter on the inner edge completes a full revolution in 0.2 seconds. a) What is the centripetal acceleration of the dust in m/s2? b) What is the centripetal acceleration of the glitter in m/s2?
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