Question
What is the minimum speed a 3,200 pound car can have on a flat road when going around a curve with a radius of 300ft. Take the static coefficient of friction to be 0.8.
Answers
Anonymous
centripetal force must equal friction force.
mu*mg=mv^2/r
solve for r.
Now I have to tell you working this is Common English units is tricky, here m divide out, so you are left with g(32ft/sec^2), so v will be in ft/sec
But in general, I would avoid those units, and stick to SI.
mu*mg=mv^2/r
solve for r.
Now I have to tell you working this is Common English units is tricky, here m divide out, so you are left with g(32ft/sec^2), so v will be in ft/sec
But in general, I would avoid those units, and stick to SI.