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Posted by on Tuesday, March 15, 2011 at 7:27pm.

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?


  • physics - , Tuesday, March 15, 2011 at 7:59pm

    stored energy=1/2 k x^2

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

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