SOLUTION: A NASCAR race car goes 70m/s around a curved section of track that has a radius of 240m. What is the car's acceleration?

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Question 805736: A NASCAR race car goes 70m/s around a curved section of track that has a radius of 240m. What is the car's acceleration?
Answer by KMST(5328) About Me  (Show Source):
You can put this solution on YOUR website!
The centripetal acceleration can be calculated as a=v%5E2%2Fr
where v is the linear velocity and r is the turning radius.
In this case,
a=70%5E2%2F240m%22%2F%22s%5E2=20.4m%22%2F%22s%5E2 (rounded)