Two cars are driving at the same constant speed v around a racetrack. However, t

Question

Two cars are driving at the same constant speed v around a racetrack. However, they are traveling through turns that have different radii, as shown in the draw Which statement is true about the magnitude of the centripetal acceleration of each car? The magnitude of the centripetal acceleration of each car is the same, since the cars are moving at the same speed. The magnitude of the centripetal acceleration of the car at A is less than that of the car at B, since the radius of the circular track is smaller at A. The magnitude of the centripetal acceleration of the car at A is greater than that of the car at B, since the radius of the circular track is greater at A. The magnitude of the centripetal acceleration of the car at A is greater than that of the car at B, since the radius of the circular track is smaller at A.

Explanation / Answer

Acceleration = v^2/r

So, smaller the radius , greater the centripetal force.

so the

acceleration for car A > acceleration for car B since ra<rb

so option c is the correct answer

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