Simple harmonic motion: The simple harmonic motion of an object is described by the graph shown in the figure. What is the equation for the position x(t) of the object as a function of time t?
A) x(t) = (4.0 cm)sin[(2π/8.0 s)t + π/3.0]
B) x(t) = (4.0 cm)cos[(2π/8.0 s)t + 2π/3.0]
C) x(t) = (4.0 cm)cos[(2π/8.0 s)t + π/3.0]
D) x(t) = (4.0 cm)cos[(2π/8.0 s)t - π/3.0]
E) x(t) = (8.0 cm)cos[(2π/8.0 s)t + π/3.0]

Question

Simple harmonic motion: The simple harmonic motion of an object is described by the graph shown in the figure. What is the equation for the position x(t) of the object as a function of time t? 
A) x(t) = (4.0 cm)sin[(2π/8.0 s)t + π/3.0] 
B) x(t) = (4.0 cm)cos[(2π/8.0 s)t + 2π/3.0] 
C) x(t) = (4.0 cm)cos[(2π/8.0 s)t + π/3.0] 
D) x(t) = (4.0 cm)cos[(2π/8.0 s)t - π/3.0] 
E) x(t) = (8.0 cm)cos[(2π/8.0 s)t + π/3.0]

Quizplus · Accepted Answer

The Answer of Simple harmonic motion: The simple harmonic motion of an object is described by the graph shown in the figure. What is the equation for the position x(t) of the object as a function of time t? 
A) x(t) = (4.0 cm)sin[(2π/8.0 s)t + π/3.0] 
B) x(t) = (4.0 cm)cos[(2π/8.0 s)t + 2π/3.0] 
C) x(t) = (4.0 cm)cos[(2π/8.0 s)t + π/3.0] 
D) x(t) = (4.0 cm)cos[(2π/8.0 s)t - π/3.0] 
E) x(t) = (8.0 cm)cos[(2π/8.0 s)t + π/3.0]

Simple Harmonic Motion: the Simple Harmonic Motion of an Object