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A race car accelerates uniformly as it leaves the pit area, going from rest to 290 km/h in a semicircular arc (i.e. 1/2 of a circle) with a radius of 194 m.

Determine the tangential acceleration of the car when it is halfway through the turn (i.e. 1/4 of a circle), assuming constant tangential acceleration.

Determine the radial acceleration of the car at this time (when it has traveled 1/4 of a circle).

If the curve were flat, what would the coefficient of static friction have to be between the tires and the roadbed to provide this total acceleration with no slipping or skidding when the car has traveled halfway through the turn?

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