The displacement of a particle performing damped simple harmonic motion is ____________ .('b' is damping constant, a is the amplitude and 'ω' is the angular frequency of the damped oscillator)

The displacement of a particle performing damped simple harmonic motio

1.	The displacement of a particle performing damped simple harmonic motion is ____________ .('b' is damping constant, a is the amplitude and 'ω' is the angular frequency of the damped oscillator)
A.	A e-bt/m cos (ω′t + φ)
B.	A e-bt/2m cos (ω′t + φ )
C.	A2 e-bt/2m cos (ω′t + φ )
D.	A2 e-bt/m cos (ω′t + φ)
Answer» C. A2 e-bt/2m cos (ω′t + φ )