A) \[Mg\ell \]
B) \[Mg\ell (1+{{\theta }_{0}}^{2})\]
C) \[Mg\ell (1-{{\theta }_{0}}^{2})\]
D) \[Mg\ell \left( 1+\frac{{{\theta }_{0}}^{2}}{2} \right)\]
Correct Answer: B
Solution :
[b] Angular momentum conservation. |
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Now, ![]() |
By, Binomial approximation |
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here, ![]() |
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So,![]() |
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