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23 Nov 2019
Solve
F external = F initial x e^-at x cos(wt)
Hint: e^-at x cos(wt) = Re x ( e^-at + iwt ) = Re x ( e ^ bt ) , b= -a + iw
a is alhpa, b is beta
Solution forms Ae^(bt-id)
Solve
F external = F initial x e^-at x cos(wt)
Hint: e^-at x cos(wt) = Re x ( e^-at + iwt ) = Re x ( e ^ bt ) , b= -a + iw
a is alhpa, b is beta
Solution forms Ae^(bt-id)
0
answers
0
watching
123
views
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