Mathematics, 28.10.2020 16:50 aladuke79
1. A mass that weighs 8 lb stretches a spring 6 inches. The system is acted on by an external force of 8 sin(8t) lb. If the mass is pulled down 3 inches and then released, determine the position of the mass at any time. Determine the first four times at which the velocity of the mass is zero.
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