A) \[T\]
B) \[\frac{T}{4}\]
C) \[\frac{2T}{\sqrt{5}}\]
D) \[2T\sqrt{5}\]
Correct Answer: C
Solution :
[c] \[T=2\pi \sqrt{\frac{\ell }{g}},\] \[T'=2\pi \sqrt{\frac{\ell }{g+a}}=2\pi \sqrt{\frac{\ell }{g+\frac{g}{4}}}=\frac{2}{\sqrt{5}}T.\]You need to login to perform this action.
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