Problems with Solution - Ordinary Differential Equation | MATH 335, Exams of Differential Equations

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dath 335 — Ordinary Differential Equations, Instructor: Rakhi Aitbayev, April 30, 2008 eroblem 5. A mass of 3 kg is attached to the end of a spring that is stretched 20 cm by a force of 15 N. It is set in motion from the equilibrium position with the upward initial 10 m/s. Find the amplitude, period, and frequency of the resulting motion. value 5 = " m= Bre mu t¥utky =o _ 2 k okt ee =75 L=o2m | Fakta kOC * 34 = f “ _ We ISA Zu +75 <0 oa Sart Ve = 2 iran 3 ee i yao gut wr-lee > io = LE + hae a= ate ee ys 21 §7e Periad T= =| nes te Ss alt}= C, bosSt t G Sin St Ta nle\no 7? Cyr wiléje —SC Singh FF EOSE u'(e) = -/6 = Oy, #9 Grae =r] a1 tt) = -2 Sust + 2[Ampti ‘dale = @, ——_——