CBSE Class 11-science Answered
please tell me about the derivation of terminal velocity of a liquid. please as soon as possible
Asked by | 19 Jan, 2012, 05:57: PM
Expert Answer
A free-falling object achieves its terminal velocity when the downward force of gravity (FG) equals the upward force of drag (Fd). This causes the net force on the object to be zero, resulting in an acceleration of zero
Mathematically, defining down to be positive, the net force acting on an object falling near the surface of Earth is (according to the drag equation):
At equilibrium, the net force is zero (F = 0);
Solving for v yields
Answered by | 20 Jan, 2012, 10:24: AM
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