Homework Help: physics

Posted by janny on Sunday, February 19, 2012 at 9:44am.

A vertical spring with a spring constant of 1.89 N/m has a 0.307-kg mass attached to it, and the mass moves in a medium with a damping constant of 0.0221 kg/s. The mass is released from rest at a position 4.81 cm from the equilibrium position. How long will it take for the amplitude to decrease to 2.51 cm?

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