Physics Help Forum Classical Mechanics:

 Kinematics and Dynamics Kinematics and Dynamics Physics Help Forum

 Dec 6th 2008, 07:49 AM #1 Junior Member   Join Date: Dec 2008 Posts: 4 Classical Mechanics: A mass m has speed v_0 at the origin and coasts along the x axis in a medium where the drag force is F(v)= - c(v^3/2). I am suppose to use this vdv/dx rule which in the book is just the chain rule, i am suppose to write the equation of motion in separated form mvdv/F(v)=dx and then integrate both sides to give x in terms of v or vice versa. then show that it will ecentually travel a distance 2m(sqrt(v_0)/c). I just don't understand the first part of the question. i don't understand how to do this separated form. Thanks for any help

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