Problem

The figure shows a football in three common inflight configurations. Case (a) is a perfe...

The figure shows a football in three common inflight configurations. Case (a) is a perfectly thrown spiral pass with a spin rate of 120 rev/min. Case (b) is a wobbly spiral pass again with a spin rate of 120 rev/min about its own axis, but with the axis wobbling through a total angle of 20°. Case (c) is an end-over-end place kick with a rotational rate of 120 rev/min. For each case, specify the values of The moment of inertia about the long axis of the ball is 0.3 of that about the transverse axis of symmetry.

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