When a particle falls through the air, its initial acceleration a = g diminishes until it is
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When a particle falls through the air, its initial acceleration a = g diminishes until it is zero, and thereafter it falls at a constant or terminal velocity vf. If this variation of the acceleration can be expressed as a = (g/v²f) (v²f - v²), determine the time needed for the velocity to become v=vf/2. Initially the particle falls from rest.
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Related Book For
Engineering Mechanics Statics & Dynamics
ISBN: 9780134895154
15th Edition
Authors: Russell C. Hibbeler
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