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  • Mechanical Engg. (GATE) 2006
  • A vibratory system consists of a mass 12.5 kg, a spring o...
Multiple choice

A vibratory system consists of a mass 12.5 kg, a spring of stiffness 1000 N/m, and a dashpot with damping coefficient of 15 Ns/m.

The value of logarithmic decrement is

  1. .422

  2. 1.32

  3. 0.68

  4. 0.66

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