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Taking a damped spring-and-mass oscillation system as an example with the ...view of the nature of roots of (*), for the case of slight damping , i.e. when μ2/4m2 - k/m < 0 Then...

... time that the mass pass equilibrium time= 7π/4 second the system with damping constant 4 damped IVP : the DE: 7y"(t)= -4/7 y -4y'...

1) tuned mass damper 主要是安放在建築物的較高層位置，是鐘擺形式運作。 2) 當有外力傳於建築物...

For a damped s.h.m., its differential equation can be written as: mx" + bx'...

You need to solve a second order differential equation for an harmonic oscillator which include a restoring force and a damping force . Just refer to the web-page in the link below: http://www.phy.duke.edu/~rgb/Class/phy51/phy51/node24.html

這個本來是applied maths paper 2有的，但當然現在已out C... 我在我的教科書見過類似的題目.. 2009-02-05 16:52:22 補充： 圖片參考：http://i182.photobucket.com/albums/x4/A_Hepburn_1990/A_Hepburn01Feb051651.jpg?t=1233823925...

A simple explanation is, as in the case of a spring-mass oscillating system, the mass of the suspending wire needs to be taken into consideration. The equation desribing a disk in rotational vibration perforing simple harmonic motion is, torque = c[theta...

So should the air resistance be the same as the expression used in: http://hk.knowledge.yahoo.com/question/question?qid=7008102400947 2009-02-17 11:26:52 補充： First of all, with the diagram below illustrating the general situation: 圖片參考：http://i117.photobucket.com/albums/o61/billy_hywung...