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# 6 The general equation for drag acting on a body is given by D = (1/2)C?Av2, where C is the drag coefficient, ? is the density of the fluid through which the body is moving, v is the speed of the body relative to the fluid, and A is the projected cross-sectional area of the body perpendicular to the flow direction. For a skydiver of mass m, what is the constant (terminal) speed reached during the fall?

Arun Kumar IIT Delhi
6 years ago
At terminal speed.
$F_{NET}=0 \\=>mg-(1/2)C*\rho A V^2=0 \\=>V^2=2mg/(C*\rho A)$
Thanks & Regards
Arun Kumar
IIT Delhi