Question

A horizontal spring mass system with coulomb damping has a mass of 5kg attached to a spring stiffness 980 n/m. If the coefficient of friction is 0.25. Calculate i. Frequency of damped oscillations ii. The number f cycles corresponding to 50% reduction in amplitude if the initial amplitude is 5 cm iii. Time taken to achieve 50 % reduction in amplitude.

Answer 1

Answer:

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