A block of mass $m$ hangs from three springs having same spring constant $k$. If the mass is slightly displaced downwards, the time period of oscillation will be
A block of mass $m$ hangs from three springs having same spring constant $k$. If the mass is slightly displaced downwards, the time period of oscillation will be
- A
$2 \pi \sqrt{\frac{m}{3 k}}$
- B
$2 \pi \sqrt{\frac{3 m}{2 k}}$
- C
$2 \pi \sqrt{\frac{2 m}{3 k}}$
- D
$2 \pi \sqrt{\frac{3 k}{m}}$
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- [AIEEE 2003]