A solid body starts rotating about a stationary axis with an angular acceleration = at, where =

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A solid body starts rotating about a stationary axis with an angular acceleration β = at, where α = 2.0.10-2 rad/s3. How soon after the beginning of rotation will the total acceleration vector of an arbitrary point of the body form an angle α = 60° with its velocity vector?
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Fundamentals of Physics

ISBN: 978-0471758013

8th Extended edition

Authors: Jearl Walker, Halliday Resnick

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