A damped mass-spring system oscillates at 280 hz. the time, Ask an Expert

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Q. A damped mass-spring system oscillates at 280 Hz. The time constant of the system is 2.0 s. At t = 0, the amplitude of oscillation is 8.4 cm and the energy of the oscillating system is then 84 J.

(a) What is the amplitude of oscillation at t = 2.0 s?

What is the amplitude at t = 4.0 s?

(b) How much energy is dissipated in first 2 s interval?

How much energy is dissipated in second 2 s interval?

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