Please. Answer parts please. Attempt Once. Use cosine and show method using both rads and degree. Case of x,=0:x(t) = Acos(@,t-ø)→ x(t = 0) = x, =0= Acosø →→ x(t = 0) = x, = -@¸Asin=„A→ A=2→ x(t)= Acos @,t -„AsinnIT→ x(t):-cos @,t –@n-sin@,t@nPhase Angle:x(1) = x, cos@,t + 0 sin@,t = Acos(@,t – ø)= tanA,Ø = tantanW,tan otan o := +Wn'n+ X0- Xotan otan oWn= +Wn An undamped single-degree-of freedom system consists of a mass 5 kg anda spring of stiffness 2,000 N/m. Find the response of the system when themass is subjected to the following initial conditions:тттт(a) x, = 20 (mm), i = 200(b) x, =-20 (mm), š = 200secsecтmmm(с) х, %3D 20 (тт), х, — — 200(d) х, %3 -20 (тт), х, —- 200secsec

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Answered: Please. Answer parts please. Attempt…

Engineering

Mechanical Engineering

Please. Answer parts please. Attempt Once. Use cosine and show method using both rads and degree.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Consider the two-degrees-of-freedom mass-spring system below. Assume m₁ = 30 kg, m2 = 35 kg. If the second natural frequency of the system is 100 rad/s, the value of stiffness k is www. k₁=k k₂ = k k3= k 174.41 kN/m 107.38 kN/m 140.93 kN/m 39.24 kN/m 73.62 kN/m Next 000 00 Previous 4 x₁ (t) x₂ (t) m₁ m₂. mm
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