Question: 1 9 . 2 3 O per odo de vibra o do sistema mostrado de 0 , 7 s . Ap s se remover a

19.23 O perodo de vibrao do sistema mostrado de 0,7s. Aps se remover a mola com constante de rigidez k2=1,2kNm, observa-se que o perodo de 0,9s. Determine (a) a constante de rigidez k1 da mola restante, (b) a massa do bloco.
1 9 . 2 3 O per odo de vibra o do sistema

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