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Circular Motion: Plane does a loop

  1. Jan 25, 2010 #1
    1. The problem statement, all variables and given/known data
    A Jet pilot takes his aircraft in a vertical loop. if the jet is moving at a speed of 700km/hr at the bottom of the loop, determine the minimum radius of the loop if the acceleration at the lowest point doesnt exceed 6.0g's (this means 6.0 x acceleration due to gravity on earth)


    2. Relevant equations
    Fcentripital = MV^2/R


    3. The attempt at a solution

    All i know is that 700km/hr is 194.44m/s
    and i also know that the Fg at the bottom would be -58.8N
    I'm totally stuck, help me out thanks
     
  2. jcsd
  3. Jan 26, 2010 #2

    tiny-tim

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    Welcome to PF!

    Hi thussain93! Welcome to PF! :smile:

    (try using the X2 tag just above the Reply box :wink:)

    It just means find R such that the centripetal acceleration is 6 times 9.8. :smile:
     
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