A particle moves in the xy plane in a circle centered on the origin. At a certain instant the velocity and acceleration of the particle are 
m/s and 
m/s2. What are the x and y coordinates of the particle at this moment?
A. x = 0, y = ?9.0 m
B. x = 0, y = +7.2 m
C. x = 0, y = +9.0 m
D. x = 0, y = ?7.2 m
E. x = 6.0 m, y = ?9.0 m
Answer: A
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