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68. The rotational inertia of the passengers is (to a good approximation) given by Eq. 10
53:
Im
R
N
m
R
==
¦
22
where
N
is the number of people and
m
is the (estimated) mass
per person. We apply Eq. 1052:
2
11
WI
N
m
R
ωω
where
R
= 38 m and
N
= 36
×
60 = 2160 persons. The rotation rate is constant so that
ω
=
θ
/
t
which leads to
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 Spring '08
 Any
 Physics, Inertia, Mass

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