What is the amount of work required to stretch linear spring

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1. What is the amount of work required to stretch a linear spring from its rest position by an amount of 0.20m if it has a spring constant of 45 kN/m.

2. A water pump increases the water pressure from 15 psia to 55 psia. Determine the power input required, in hp, to pump 0.80 ft^3/s of water.

3. A geothermal pump is used to pump brine with a density of 1050 kg/m^3 at a rate of 0.30 m^3/s from a depth of 200 m. For a pump efficiency of 74% determine the required power input to the pump. Neglect any frictional losses in the pipes and assume the geothermal water at 200m depth to be exposed to the atmosphere.

Reference no: EM13709605

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