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A mass that weight 15lb15lb stretches a spring 8in8in. The system is acted on by an...

A mass that weight 15lb15lb stretches a spring 8in8in. The system is acted on by an external force 9sin(43–√t)lb9sin⁡(43t)lb.If the mass is pulled down 3in3in and then released, determine the position of the mass at any time tt. Use 32ft/s232ft/s2 as the acceleration due to gravity. Pay close attention to the units. Answer must be in inches

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