(a) What is mean by the natural frequency of vibration in a spring mass system(b) The 8kg body Figure 4 is moved 0.2m to the right of the equilibrium position and released fromrest at time t=0s. Determine its amplitude and phase angle at time t=2s. The viscous dampingcoefficient 'c' is 20N.s/m, and the spring stiffness k is 32N/m8kgwwwkFigure Q4(c) A coffee table has a rigid top of mass 17 kg mounted on legs of total stiffness 38 MN/m and adamping coefficient of 1.6 kN/m/s. The coffee table is subjected to a vibrating force of 100 N.caused by sound waves from a nearby loudspeaker. Find the resonant frequency of the table,suggest a method to avoid the resonance for this table.

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Engineering

Mechanical Engineering

(a) What is mean by the natural frequency of vibration in a spring mass system

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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