68. The rotational inertia of the passengers is (to a good approximation) given by Eq. 10-53:ImRNmR==¦22where Nis the number of people and mis the (estimated) mass per person. We apply Eq. 10-52: 211WINmRωωwhereR= 38 m and N= 36 ×60 = 2160 persons. The rotation rate is constant so that ω= θ/twhich leads to
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