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physics

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A spring has a length of 0.190 m when a 0.300 kg mass hangs from it, and a length of 0.750 m when a 2.80 kg mass hangs from it.

(a) What is the force constant of the spring?

(b) What is the unloaded length of the spring?

  • physics -

    F=kx

    .3*g=k(.190-u)
    2.80g=k(.750-u) u is the unstretched length.

    solve for k.

  • physics -

    What is the unstretched length?

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