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An object is moving counterclockwise around a circular track at a constant speed of 3 m/s. The track
is centered at the origin and has a radius of 1 m. What is the object's acceleration vector when it is
at point P shown?
y.
P
-(3플)i
○금3 + (3프) i
a = +(9) i
m
Oa = 0
-(9플)i

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