1.

A person with his hands in his pockets is skating on ice at the velocity of 10 m/s and describes a circle of radius 50 m. What is his inclination with vertical                   [Pb. PET 2000]

A. \[\frac{\sqrt{3}}{2}.\]
B. \[{{\tan }^{-1}}\left( \frac{3}{5} \right)\]
C. \[{{\tan }^{-1}}(1)\]
D. \[{{\tan }^{-1}}\left( \frac{1}{5} \right)\]
Answer» E.


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