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physics

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A car goes around a curve on a road that is banked at an angle of 30.5 . Even though the road is slick, the car will stay on the road without any friction between its tires and the road when its speed is 19.0 .

What is the radius of the curve?

  • physics -

    force up the hill=force down the hill

    mv^2/r cos30.5=mg Sin30.5

    solve for r.

  • physics -

    plugging everything in do I get 84.15? That seems a little high...

  • physics -

    nvm. i got it. 84 was wrong... thanks for your help!

  • physics -

    i get 62.536 when i do it. what is the answer

  • physics -

    Smack-dab what I was lokonig for—ty!

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