A) \[25\times {{10}^{3}}m\]
B) \[12.5\times {{10}^{3}}m\]
C) \[50\times {{10}^{2}}m\]
D) \[25\times {{10}^{2}}m\]
Correct Answer: B
Solution :
\[R=\frac{{{u}^{2}}\sin 2\theta }{g}=\frac{{{(500)}^{2}}\times \sin 30{}^\circ }{10}=12.5\times {{10}^{3}}\,m\]
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