Homework help? physics

Posted on 2014-03-13 10:44:00 in Physics by ANGIE

While on an amusement park ride, the car goes around the curve 10m/s. You are holding an excelerometer and it measures your centripetal acceleration at 4m/s. What is the radius of the curve? Use the equation 4pie^2r over time^2. So how do I get r by itself?

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