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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

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
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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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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