A race car goes around a level, circular track with a diameter of 1.00 km at a constant speed of 103 km/h. What is the car's centripetal acceleration in m/s2?
a = v^2 / r
here v = 103 km/h or 28.61m/s^2;
so a = (28.61)^2/500 = 1.637 m/s^2
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