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91. (a) According to Table 102, the rotational inertia formulas for the cylinder (radius
R
)
and the hoop (radius
r
) are given by
IM
R
I
M
r
CH
==
1
2
22
and
.
Since the two bodies have the same mass, then they will have the same rotational inertia
if
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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, Inertia, Mass

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