A mass weighing 6 lb stretches a spring 9 in. If the mass is pushed upward,...
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A mass weighing 6 lb stretches a spring 9 in. If the mass is pushed upward, contracting the spring a distance of 6 in and then set in motion with a downward velocity of 6 ft/s, and if there is no damping and no other external force on the system, find the position u of the mass at any time t. Determine the frequency (wo), period (T), amplitude (R), and phase (5) of the motion. NOTE: Enter cract answers. Use t as the independent variable. u(t) rad/s Wo = T = S R = ft -1.305 rad A mass weighing 6 lb stretches a spring 9 in. If the mass is pushed upward, contracting the spring a distance of 6 in and then set in motion with a downward velocity of 6 ft/s, and if there is no damping and no other external force on the system, find the position u of the mass at any time t. Determine the frequency (wo), period (T), amplitude (R), and phase (5) of the motion. NOTE: Enter cract answers. Use t as the independent variable. u(t) rad/s Wo = T = S R = ft -1.305 rad
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