A) \[{{0}^{o}}\]
B) \[{{45}^{o}}\]
C) \[{{180}^{o}}\]
D) \[~{{360}^{o}}\]
Correct Answer: A
Solution :
Angular velocity is always directed perpendicular to the plane of the circular path. Hence, required change in angle\[={{0}^{o}}.\]
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