Determine the magnitude of the displacement of the spring

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1) A spring that has stiffness constant 224 N/m rests at its equilibrium length of 14cm, with one end hanging from a ceiling. You gently hang a block of mass 2.1 kg onto the end of the spring, the spring stretches beyond its equilibrium length, and you gently bring the spring to rest at its new equilibrium position.

a) Determine the magnitude of the displacement of the spring. In cm

b) Determine the elastic potential energy stored in the spring. In J

2) The warning tag on a lawn mower states that it produces noise at a level of 95dB. What is this in watts per meter squared?

Reference no: EM132490419

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