A) 10
B) 11
C) 1.1
D) 0.1
Correct Answer: A
Solution :
\[1\times u=10\times v\] \[v=\frac{u}{10}\] Ratio of kinetic energies \[=\frac{\frac{1}{2}\times 1\times {{u}^{2}}}{\frac{1}{2}\times 10\times \frac{{{u}^{2}}}{100}}=10\]
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