Centripital acceleration

  • Thread starter robvba
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Homework Statement



A car is negotiating a flat circular curve of radius 50 m with a speed of 20 m/s. The maximum centripetal force (provided by static friction) is 1.2 × 104 N. What is the centripetal acceleration of the car?


Homework Equations



MAc = MV^2/R

The Attempt at a Solution



20^2 / 50 = 8 m/s^2 ?
 

Answers and Replies

  • #2

Homework Statement



A car is negotiating a flat circular curve of radius 50 m with a speed of 20 m/s. The maximum centripetal force (provided by static friction) is 1.2 × 104 N. What is the centripetal acceleration of the car?


Homework Equations



MAc = MV^2/R

The Attempt at a Solution



20^2 / 50 = 8 m/s^2 ?

Not sure, but I think you're right. I have no idea what the second sentence actually means, but it might just be a red herring. Cent acc is just velocity squared over radius, and they gave you that in the first sentence.
 

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