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Old 01-07-2004 | 08:02 AM
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JimTrainor
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Default RE: terminal velocity
(~ means varies with below)

Drag ~ V^2

Gravitational Force = G * Mearth * Mobject / r^2 = g * Mobject

Terminal velocity is when, Drag = Gravitational force, so...

V^2 ~ Mobject
V ~ sqrt(Mobject)

.... terminal velocity varies with the sqrt of mass.

It also varies with drag coefficient and air density.
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