For a particle executing SHM given by

PHYSICS · Single correct · AP · Physics 1: Algebra-based · Oscillations · Oscillations

Problem

x = A\cos(6 t + \phi)

, the initial displacement and velocity at

t = 0

are

x_0 = -0.04\,\text{m}

and

v_0 = -0.42\,\text{m s}^{-1}

. The initial phase

\phi

(expressed in degrees with

0^{\circ} \le \phi < 360^{\circ}

) is (a)

300^{\circ}

(b)

60^{\circ}

(c)

120^{\circ}

(d)

240^{\circ}