Answer to Question #274953 in Physics for Dhea

Question #274953

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?

Expert's answer

The tangential acceleration is

"a=r\\alpha=r\\frac{2\\pi n }{t}=21.2\\text{ in\/s}^2."

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