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89. We assume the sense of initial rotation is positive. Then, with
ω
0
> 0 and
= 0 (since
it stops at time
t
), our angular acceleration is negativevalued.
(a) The angular acceleration is constant, so we can apply Eq. 1012 (
=
0
+
α
t
). To
obtain the requested units, we have
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This note was uploaded on 05/17/2011 for the course PHY 2049 taught by Professor Any during the Spring '08 term at University of Florida.
 Spring '08
 Any
 Physics, Acceleration

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