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April 23, 2014

Homework Help: physics

Posted by Sierra on Monday, January 31, 2011 at 1:36am.

A damped mass-spring system oscillates at 190 Hz. The time constant of the system is 2.0 s. At t = 0, the amplitude of oscillation is 6.5 cm and the energy of the oscillating system is then 65 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 the first 2 s interval?

How much energy is dissipated in the second 2 s interval?

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