Which best describes the body in terms of simple machines?
1 answer:
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Answer:
Logarithmic decrement is equal to 0.182
Explanation:
given,
amplitude decay = 9 dB
number of cycles = 12 cycles
mass of the system = 7 kg
spring stiffness = 3000 N/m
logarithmic decrement = ?
now,
logarithmic decreament =
=
=ln (1.2)
= 0.182
Hence, Logarithmic decrement is equal to 0.182