Physics
posted by James .
A 1500 kg car is turning around an arc of radius 20 m at a constant speed of 30 mph without slipping. What is the friction force the ground exerts on the car?

Physics 
Damon
F = m a
= 1500 v^2/20
where
v = 30 mi/hr *(1 hr/3600s)(1609 m/mi)
= 13.4 m/s
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