A car travels counterclockwise around a flat circle of radius 0.25 km at a constant speed of 20 m/s.When the car is at point A as shown in the figure,what is the car's acceleration?
A) 1.6 m/s2,south
B) Zero
C) 1.6 m/s2,east
D) 1.6 m/s2,north
E) 1.6 m/s2,west
Correct Answer:
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