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 velocity is given by

A) v_y2 = v_0y2 + 2a(y - y₀)
B) v_y = 2 $\pi$ fA cos 2 $\pi$ t
C) v_y = A sin ft
D) v_y = 2 $\pi$ fA sin 2 $\pi$ ft
E) v_y = A cos ft