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physics

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If a masss of 65kg is dropped 4.3m onto a spring with a stiffness coefficient of 6.2x10^4 n/m, how far is the spring depressed?

  • physics -

    M g (H +x) = (1/2)kx^2

    Solve for x.

    H = 4.3 m
    k is the spring constant
    M is the mass

  • physics -

    Thanks

  • physics -

    You're welcome.

    They may want you to solve it without the x on the left side. That will give you nearly the same answer, and make solving easier, but it will be wrong. Gravity continues to act as the spring is compressed.

  • physics -

    how much force is required to accelerate an 8.00 kg mass at 15.00 m/s2?

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