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P2207_fall10_lecture13

P2207_fall10_lecture13 - A(assume both are at same speed...

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A. Elephant B. Feather C. Same (assume both are at same speed)
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Today: Fluid friction: Viscous and turbulent drag Turbulent drag force Damage from hurricanes Air drag Fish and bird formations Terminal speed
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Laminar Flow: Low velocities / small diameters / "thick" fluids viscous drag Turbulent flow: High velocities / larger dia-meters / "thin" fluids turbulent drag
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