physics

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A 1.1 kg block is held against a spring of force constant 2.0×10^4 N/m, compressing it a distance of 0.20 m.

How fast is the block moving after it is released and the spring pushes it away?

v=____m/s

  • physics -

    stored energy=1/2 k x^2

    the KE gained is equal to that, solve for v.

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