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Interactive Solution 9.63 illustrates one way of solving a problem similar to this one. A thin rod has a length of 0.826 m an
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Answer #1

Conserving angular momentum,

Li = Lf

(1.24 x 10^-3) (0.298) = ( (1.24 x 10^-3) + (5 x 10^-3 x 0.826^2)) wf

wf = 0.0794 rad/s

change in w = wf - wi

= 0.0794 - 0.298

= -0.21856 rad/s

You are right. Just missed a negative sign.

Kindly upvote:)

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