A body moves with simple harmonic motion according to the equation
X = (2/$\pi$) sin(4$\pi$t + $\pi$/3),
Where the units are SI. At t = 2 s, the speed of the body is
A) 1/3 m/s
B) 1/$\pi$ m/s
C) m/s
D) 4 m/s
E) m/s

Question

A body moves with simple harmonic motion according to the equation
X = (2/$\pi$) sin(4$\pi$t + $\pi$/3),
Where the units are SI. At t = 2 s, the speed of the body is
A) 1/3 m/s 
B) 1/$\pi$ m/s 
C) m/s 
D) 4 m/s 
E) m/s

Quizplus · Accepted Answer

The Answer of A body moves with simple harmonic motion according to the equation
X = (2/$\pi$) sin(4$\pi$t + $\pi$/3),
Where the units are SI. At t = 2 s, the speed of the body is
A) 1/3 m/s 
B) 1/$\pi$ m/s 
C) m/s 
D) 4 m/s 
E) m/s

A Body Moves with Simple Harmonic Motion According to the Equation