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The mass is 3 initially released from rest from a

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Unformatted text preview: tches a spring 8 feet. The mass is 3 initially released from rest from a point 2 feet below the equilibrium position, and the subsequent motion takes place in a medium that offers a damping force that is numerically equal to 1 2 the instantaneous velocity. Find the equation of motion if the mass is driven by an external force equal to f (t ) = 10 cos 3t ....
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This document was uploaded on 04/06/2014.

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