Question: A mass on a spring vibrates horizontally on a smooth level surface. Its equation of motion isx(t)=8sint, where tisin seconds and xisin centimeters.at.bt=23.In whatdirection isit

A mass on a spring vibrates horizontally on a smooth level surface. Its equation of motion isx(t)=8sint, where tisin seconds and xisin centimeters.at.bt=23.In whatdirection isit moving at that time?

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