college phyiscs
posted by Amanda .
A car starts from rest on a curve with a radius of 160 m and accelerates at 1.80 m/s^2. How many revolutions will the car have gone through when the magnitude of its total acceleration is 2.20 m/s^2?

the angular acceleration is 1.60/160 in radian/s^2
I don't see how anything can be solved without know how long it accelerated at this acceleration.
Displacement is a function of time, and acceleration. 
rg
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