HVAC · Practice-Exam-2 · Problem 15
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HVAC · Practice-Exam-2 · Problem 15
Problem & Solution
Video Synthesis
Problem: A 10-pound mass hangs from a spring and damper assembly.
Key step: The damping ratio is 0.6.
Watch out: I don't know if they even are right g sub c, but we'll need it for sure to make the units work over the mass.
Result: So the damped natural frequency is equal to the undamped natural circular frequency.
✅ Answer: B
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