An object of mass m falls from rest, starting at a point near the eart's surface. Assuming that the air resistance is proportional to the velocity magnitude of the object. k(resistance coefficient), m(mass), g(gravity) are positive constants Find the velocity of the object in the form of t. what is the differantial equation to solve this problem? dV I→ dt k | m E II dt dV =g+V? k dV III = m k dt dV IV → dt k g--V m dV V →* = dt mg – kV %3D 60

Principles of Physics: A Calculus-Based Text
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ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
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Chapter5: More Applications Of Newton’s Laws
Section: Chapter Questions
Problem 61P
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11

 A)

IV

 B)

III

 C)

I

 D)

II

 E)

V

An object of mass m falls from rest, starting
at a point near the eart's surface. Assuming
that the air resistance is proportional to the
velocity magnitude of the object.
k(resistance coefficient), m(mass), g(gravity) are positive constants
Find the velocity of the object in the form of t.
what is the differantial equation to solve this problem?
dV
k
dt
m
dV
g +
dt
m
II →
k
dV
= m
dt
k
-v²
--
+ III
dV
IV →
dt
k
m
dV
= mg – kV
dt
Transcribed Image Text:An object of mass m falls from rest, starting at a point near the eart's surface. Assuming that the air resistance is proportional to the velocity magnitude of the object. k(resistance coefficient), m(mass), g(gravity) are positive constants Find the velocity of the object in the form of t. what is the differantial equation to solve this problem? dV k dt m dV g + dt m II → k dV = m dt k -v² -- + III dV IV → dt k m dV = mg – kV dt
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