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October 20, 2014

Homework Help: physics

Posted by hopsy on Monday, January 17, 2011 at 9:48pm.

Here is the problem and answers. how do i reach the answer?
A car at the Indianapolis-500 accelerates uniformly from the pit area, going from rest to 325 km/h in a semicircular arc with a radius of 198 m.
Determine the tangential acceleration of the car when it is halfway through the turn, assuming constant tangential acceleration.
6.55m/s2
Determine the radial acceleration of the car at this time.
20.6m/s2
If the curve were flat, what would the coefficient of static friction have to be between the tires and the roadbed to provide this acceleration with no slipping or skidding?
2.2

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