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A 290-g mass is attached to a spring. Its natural angular frequency is 69 rad/s, and...

A 290-g mass is attached to a spring. Its natural angular frequency is 69 rad/s, and it is in a damping medium. At what angular frequency should it be driven so its speed is a maximum? Answer in rad/s.

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Answer #1

The maximum speed is achieved by the mass, when its amplitude is maximum, which is possible at resonance, i.e. When the driven frequency equals the natural frequency.

Answer : 69 rad per sec

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