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Which of the following is the optimum speed for a race car, with a coefficient of friction of 0.2 between its wheels and the road, to avoid wear and tear on its tires while navigating a circular racetrack with a 300 m radius banked at an angle of 15°?

Options

  1. A20 m/s
  2. B24 m/s
  3. C28.1 m/s
  4. D32.4 m/s

Correct answer

C. 28.1 m/s

Step-by-step solution

Correct Option is : (C) 28.1 m/s

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