A) 12 m
B) 18 m
C) 24 m
D) 6 m
Correct Answer: C
Solution :
\[\frac{{{S}_{1}}}{{{S}_{2}}}=\frac{V_{1}^{2}-u_{1}^{2}}{V_{2}^{2}-u_{2}^{2}}\] \[\Rightarrow \] \[\frac{6}{x}=\frac{{{0}^{2}}-{{50}^{2}}}{{{0}^{2}}-{{100}^{2}}}\] \[\Rightarrow \] \[x=\frac{6\times 100\times 100}{50\times 50}=24\,m\]
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