The following mass-and-spring system has stiffness matrix K. For the mks values, find the two natural frequencies of the system and describe its two natural modes of oscillation. k₁ m, ^1 k₂ wwwwwww Ill₂ K3 www K= -(K₁ +K₂) k₂ m₁ = 1, m₂ = 5; k₁ =3, K₂ = 15, k3 = 15 k₂ -(K₂ + K3) Describe the mode of oscillation for @2. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. The two masses move linearly, staying a fixed distance apart. OB. The two masses oscillate in the same direction, where the amplitude of m, is O C. The two masses oscillate in opposite directions, where the amplitude of m, is O D. The two masses oscillate in the same direction with equal amplitudes. O E. The two masses oscillate in opposite directions with equal amplitudes. times the amplitude of m₂. times the amplitude of m₂.

The following mass-and-spring system has stiffness matrix K. For the mks values, find the two natural frequencies of the system and describe its two natural modes of oscillation. k₁ m, ^1 k₂ wwwwwww Ill₂ K3 www K= -(K₁ +K₂) k₂ m₁ = 1, m₂ = 5; k₁ =3, K₂ = 15, k3 = 15 k₂ -(K₂ + K3) Describe the mode of oscillation for @2. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. The two masses move linearly, staying a fixed distance apart. OB. The two masses oscillate in the same direction, where the amplitude of m, is O C. The two masses oscillate in opposite directions, where the amplitude of m, is O D. The two masses oscillate in the same direction with equal amplitudes. O E. The two masses oscillate in opposite directions with equal amplitudes. times the amplitude of m₂. times the amplitude of m₂.

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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The following mass-and-spring system has stiffness matrix K. For the mks values, find the two natural frequencies of the system and describe its two natural modes of oscillation. m1 m2 k1 k2 k3 x1 x2 K= −k1+k2 k2 k2 −k2+k3 m1=m2=4; k1=8, k2=12, k3=8 Let ω1<ω2 be the two natural frequencies. ω1= ω2= (Type exact answers, using radicals as needed.)
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