Answer to Question #220055 in Mechanics | Relativity for Alex

Question

a) Derive an expression for the logarithmic decrement of a damped oscillator.

b) A block attached to a spring is made to oscillate with initial amplitude

of 8.0 cm. After 2.2 minutes, the amplitude decreases to 5.0 cm. Calculate

(i) the time when the amplitude becomes 2.0 cm, and (ii) the value of damping

constant gamma for this motion.

c. A sound wave of frequency 300 Hz travels with speed 340ms^-1 along

the negative x-direction. Each point of the medium moves up and down through a

total distance of 5.0 mm. Determine the necessary parameters to represent the

wave mathematically.

Answer 1

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