# A mass weighting 40 lbs stretches a spring 6 inches. The mass is in a medium that exerts a viscous

###### Question:

A mass weighting 40 lbs stretches a spring 6 inches. The mass is in a medium that exerts a viscous resistance of 90 lbs when the mass has velocity of 6 ftlsec Suppose the object is displaced an additional 6 inches and released. Find an equation for the object's displacement, u(t) , in feet after t seconds_ u(t) Preview Get help: Video

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