Para o sistema apresentado, determine: a) As frequências naturais. b) O...

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Para

o sistema apresentado, determine:

a)

As frequências naturais.

b)

Os modos de vibrar(Ө/X)..

c)

Represente os modos de vibração.

Dados:

L=1m, k

₁=10kN/m , k₂=20kN/m e m₁=5kg.

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