Racing car centripetal force problem

  • Thread starter nrc_8706
  • Start date
  • #1
71
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a racing car is traveling on a circular course of radius 641m at a speed such that it makes 1.7 rev in 1 minute. THe mass of the car is 1990kg. what is the centripetal force acting on the car?

CF=ma=mass*acceleration
a=V^2/r

how do you find v?
 

Answers and Replies

  • #2
finchie_88
you use the fact that its travelling in a circle (distance = 2*pi*r), time can be found from the number of revs per minute.
 
  • #3
71
0
thank you i figured it out
 

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