Posted by **sandhu** on Tuesday, November 23, 2010 at 8:28am.

A 3670 lb car going around an unbanked curve at a constant speed of 25 mph begins to slide (ěs=0.55 and ěk=0.45). What is the radius of the curve?

- physics -
**drwls**, Tuesday, November 23, 2010 at 10:04am
The static coefficient of friction, which you call ěs=0.55, is the one to use.

Equate the centripetal force to the friction force, and solve for R. The mass of the car will cancel out.

0.55 g = V^2/R

Solve for R.

25 mph = 36.67 ft/s

g = 32.2 ft/s^2

- physics -
**sandhu**, Tuesday, November 23, 2010 at 11:28am
thanks a lot

## Answer This Question

## Related Questions

- physics - There is a car turning on an unbanked road. The mass of the car is ...
- Physics - Engineering a highway curve. If a car goes through a curve too fast, ...
- physics - A car going 30 m/s just barely makes it around a curve without ...
- Physics - A flat (unbanked) curve on a highway has a radius of 200 m. A car ...
- algebra - The force needed to keep a car from skidding on a curve varies ...
- algebra - The force needed to keep a car from skidding on a curve varies jointly...
- Physics - A car can be driven around a 120 m radius curve at constant speed ...
- physics - A flat (unbanked) curve on a highway has a radius of 230.0 . A car ...
- physics - A flat (unbanked) curve on a highway has a radius of 220m. A car ...
- physics - A 783 kg car travels along US 321. What net force is required to keep ...

More Related Questions