For a mass m falling in air, we assume that the air resistance is proportional to the speed v (t): mv '(t) = mg - kv (t), where g is the acceleration of gravity and k is a positive constant that depends on the geometry of the object. What is v (t) given that v (0) = 0?

Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter1: Introduction And Vectors
Section: Chapter Questions
Problem 49P
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For a mass m falling in air, we assume that the air resistance is proportional to the speed v (t): mv '(t) = mg - kv (t),
where g is the acceleration of gravity and k is a positive constant that depends on the geometry of the object.
What is v (t) given that v (0) = 0? 

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