A) \[{{\left( \frac{M+m}{M} \right)}^{1/2}}\]
B) \[\frac{M}{M+m}\]
C) \[\frac{M+m}{M}\]
D) \[{{\left( \frac{M}{M+m} \right)}^{1/2}}\]
Correct Answer: A
Solution :
[a] At mean position, initial velocity |
New velocity |
or |
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