A particle in simple harmonic motion is described by the displacement function x(t) = A cos(wt+θ). If the initial (t=0) position of the particle is 1 cm, its initial velocity is π cm/s, and its angular speed is π radian/sec, then its amplitude is

Options

(a) 1 cm
(b) √2 cm
(c) 2 cm
(d) 2.5 cm

Correct Answer:

√2 cm

Explanation:

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