A) \[20\sqrt{2}\] m
B) 10 m
C) \[10\sqrt{2}\] m
D) 20m
Correct Answer: D
Solution :
Sol. \[{{h}_{\max }}=\frac{{{u}^{2}}}{2g}=10\] \[{{u}^{2}}=200\] .... (a) \[{{R}_{\max }}=\frac{{{u}^{2}}}{9}=20m\]
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