Mathematics · Differential Equations
A mass-spring-damper system is modeled by the differential equation: m x"(t) + c x'(t) + kx(t) = F(t) where m is mass, c is the damping coefficient, k is the spring constant, F(t) is the external force, and x(t) is displacement. The system is subjected to a unit step input F(t) = 1 for t ≥ 0. If the damping ratio ζ = 0.5 and the natural frequency ωn = 2 rad/s, what is the peak time Tp of the system's response?
- 1π2 seconds
- 2π√3 seconds✓
- 3π4 seconds
- 4π3 seconds
Correct answer
π√3 seconds
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