The Spring/Mass system x" (1) + 22x'(1) + x(t) = cos(at) is: Select one: O a. free underdamped for -1 < À < 1 Ob. Driven underdamped for <-1 and A> 1 C. None of these d. Driven underdamped for -1

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The Spring/Mass system
x" (1) + 22x'(1) + x(t) = cos(at) is:
Select one:
O a. free underdamped for -1 < À < 1
Ob. Driven underdamped for <-1 and A> 1
C. None of these
d. Driven underdamped for -1<i<1
Transcribed Image Text:The Spring/Mass system x" (1) + 22x'(1) + x(t) = cos(at) is: Select one: O a. free underdamped for -1 < À < 1 Ob. Driven underdamped for <-1 and A> 1 C. None of these d. Driven underdamped for -1<i<1
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Given

The spring mass system,x" t + 2λx' t +x t = cos αt

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