n cm. The ratio of two successive amplitudes at the interval half of the time period 20. Evaluate the time of period of vibration and logarithmic decrement of th

Elements Of Electromagnetics
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ISBN:9780190698614
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Publisher:Sadiku, Matthew N. O.
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(b) The displacement of a vibrating body is x = 25e 4cos (3t-0.2),where t is in sec and x
is in cm. The ratio of two successive amplitudes at the interval half of the time period is
14.20. Evaluate the time of period of vibration and logarithmic decrement of the
amplitude.
Transcribed Image Text:(b) The displacement of a vibrating body is x = 25e 4cos (3t-0.2),where t is in sec and x is in cm. The ratio of two successive amplitudes at the interval half of the time period is 14.20. Evaluate the time of period of vibration and logarithmic decrement of the amplitude.
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