The amplitude of a damped oscillation reduces to one-third of its original value a0 in the 20s. The amplitude of such oscillation after a period of 40s will be ……..
A. a0/9
B. a0/6
C. a0/2
D. a0/27
Answer:A
The amplitude of a damped oscillation reduces to one-third of its original value a0 in the 20s. The amplitude of such oscillation after a period of 40s will be ……..
A. a0/9 B. a0/6 C. a0/2 D. a0/27