A spherical raindrop that is D= 1/8 inch in diameter falls through the air at sea-level. a) If the raindrop reaches its terminal (constant) velocity when the drag force = weight, develop an equation for the terminal velocity VT = f(p H20, Pair, D, g, CD) b) Estimate the drag coefficient on the raindrop using Table 7.3, White 8th edition and assuming laminar flow. Estimate the terminal velocity of the raindrop VT c) m/s

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Properties of Fluids

The term fluid represents a type of substance that can easily change its shape under any external pressure/force and can flow. Fluids can acquire any shape in which it is stored and can resist normal stresses but cannot resist shear stress in rest condition. Whenever external shear stress is applied to fluids, it starts to flow. The fluids may be liquid or gas. Example- water, air, etc.