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In a spring-mass system, the mass is m and the spring constant is k. The critical damping coefficient of the system is 0.1 kg/s. In another spring-mass system, the mass is 2m and the spring constant is 8k. The critical damping coefficient (in kg/s) of this system is ______.
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- 2 kg/s
- 0.4 kg/s
- 2.4 kg/s
- 1.9 kg/s
Correct Option: B
x = | |
2√mk |
⇒ C = 2ξ√mk
= | ||
C1 | 2ξ1√m1k1 |
= √16 | |
0.1 |
C2 = 0.4 kg/s