As shown in Fig. P9.77, a vertical wind tunnel can be used for skydiving practice. Estimate the
Question:
As shown in Fig. P9.77, a vertical wind tunnel can be used for skydiving practice. Estimate the vertical wind speed needed if a 160-lb person is to be able to "float" motionless when the person
(a) curls up as in a crouching position
(b) lies flat. See Fig. 9.30 for appropriate drag coefficient data.
Figure P9.77
Fig. 9.30
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Munson Young And Okiishi's Fundamentals Of Fluid Mechanics
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8th Edition
Authors: Philip M. Gerhart, Andrew L. Gerhart, John I. Hochstein
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