Use the Following to Answer the Question:
-The Object $\pi$

Multiple Choice

Use the following to answer the question:
-The object in the diagram is in circular motion with frequency f.At t = 0 it was at (A,0) .The y component of its acceleration is given by

A) a_y = (v_y - v_0y) /t
B) a_y = -(2 $\pi$ f) ²A cos 2 $\pi$ ft
C) a_y = -(2 $\pi$ ) ²A sin 2 $\pi$ t
D) a_y = -(2 $\pi$ f) ²A sin 2 $\pi$ ft
E) a_y = -(2 $\pi$ ) ²A cos 2 $\pi$ t