What is the tangential acceleration of a bug on the rim of a 9.0 inch diameter disk if the disk moves from rest to an angular speed of 90 revolutions per minute in 4.0 seconds?
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Expert's answer
2021-12-12T16:39:58-0500
The tangential acceleration is
"a=r\\alpha=r\\frac{2\\pi n }{t}=21.2\\text{ in\/s}^2."
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