Question: 9. The equation of a vibrating object is x = 12 cos 2(0.20) meters. (a) What is the amplitude of vibration? (b) What is

9. The equation of a vibrating object is x = 12 cos

9. The equation of a vibrating object is x = 12 cos 2(0.20) meters. (a) What is the amplitude of vibration? (b) What is the frequency? (c) What is the period?

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