In: Physics
When a 5 kg mass is attached to a spring whose constant is
180 N/m, it comes to rest in the equilibrium position. Starting at
t = 0, a force equal to f (t) =
20e−3t cos 6t is applied to
the system. In the absence of damping, |
(a) | find the position of the mass when t = π. |
(b) | what is the amplitude of vibrations after a very long time |