Posted by **Kyle** on Sunday, October 24, 2010 at 9:23pm.

Hi everyone, finished all my utexas physics homework, save this last question... I don't quite why I'm not getting the right answer. Any help offered will be appreciated, it could lead me to the right answer :)

P.S.---- I've already imputed the following four answers which were incorrect. (3844N,8487N,11194N,12925N)

The next curve that the car approaches also

has a radius of curvature 67.4 m. It is banked

at an angle of 30◦. The ideal speed for this

curve is vc (banked so that the car experiences

no frictional force). The speed of the car vs as

it rounds this curve is vs = 0.673 vc.

If the mass of the car is 1500 kg, what is

the magnitude of the frictional force needed

to keep it from sliding sideways?

Answer in units of N.

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