A Body Oscillates with Simple Harmonic Motion Along the X

Multiple Choice

A body oscillates with simple harmonic motion along the x axis. Its displacement varies with time according to the equation x = 5 sin (πt + π/3) . The phase (in rad) of the motion at t = 2 s is

A) 7π/3
B) π/3
C) π
D) 5π/3
E) 2π