Help with complex friction problem

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The discussion revolves around solving a complex problem involving circular motion and friction in a car accelerating to a maximum speed, v, while constrained by friction. The user outlines their approach using calculus, specifically the relationship between tangential and radial acceleration, expressed as A^2 = a_tan^2 + a_rad^2. They seek guidance on how to proceed without relying on kinematic equations, ultimately resolving the issue independently.

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Help with complex circular motion + friction problem

The scenario is this:
You are in a car that is at rest in a circle of radius r. The car then accelerates to some max speed v. There is also friction that restricts the car to the max speed. At what angle is the max speed v reached? (calculus is involved)
I am stuck in a bind since you can't use any of the kinematics equations
This is what I did so far:
A^2 = a_tan^2 + a_rad^2
a = sqrt( (v^2/r)^2 + (dv/dt)^2)
F_net = m( sqrt( (v^2/r)^2 + (dv/dt)^2)
I am NOT looking for the answer, just some pointers on how to proceed.
Thanks in advance
 
Last edited:
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Sorry, here is the latex of my work:
[tex]A^2=a_{tan}^2+a_{rad}^2[/tex]
[tex]A=\sqrt( (v^2/r)^2+ (\dot {v})^2 )[/tex]
[tex]F_{net} = m*\sqrt( (v^2/r)^2+ (\dot {v})^2 )[/tex]
Any ideas on how to proceed would be appreciated
Thanks!
 
Last edited:
Solved this on my own. Mods please delete

Thanks
 

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