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physics

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What should be the spring constant of a spring designed to bring a 1300 car to rest from a speed of 95 so that the occupants undergo a maximum acceleration of 6.0 ?

  • physics -

    Vf^2=Vi+2ax

    but a=F/m

    0=Vi^2+2ax where a=-6*9.8m/s^2

    solve for x.

    then, k=f/x= ma/x

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