Help understanding Electrical FE Exam Question

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upopads2

Joined Sep 20, 2014
54
Hi a few weeks ago I ran into an electrical FE exam problem that left me completely discouraged. This is a control systems question, can someone please explain this answer better for me





someone please explain undamped, zeta is equal to zero in the above? why is zeta not multiplied through? and s falls out? Zeta is underdamped 0.5? please help
 

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