A particle of mass m and charfe Q is placed in an electric filed W which varies with time t as E = `E_(0) sin omegat`. It will undergo simple harmonic motion of amplitude.
A. `(QE_(0)^(2))/(momega^(2))`
B. `(QE_(0))/(momega^(2))`
C. `sqrt((QE_(0))/(momega^(2)))`
D. `(QE_(0))/(momega)`