A) \[2500\,{{m}^{2}}\]
B) \[3000\,{{m}^{2}}\]
C) \[5000\,{{m}^{2}}\]
D) \[6000\,{{m}^{2}}\]
Correct Answer: C
Solution :
| [c] Speed \[=\left( 3\times \frac{5}{18} \right)\,m/s=\frac{5}{6}m/s\] Distance covered in 2 min \[=\left( \frac{5}{6}\times 2\times 60 \right)\,m=100\,m\] Length of diagonal of the square field \[=100\,m\] Area \[=\frac{1}{2}\times {{(\text{Diagonal)}}^{2}}\] \[=\left( \frac{1}{2}\times 100\times 100 \right)\,{{m}^{2}}\] \[=5000\,{{m}^{2}}\] |
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