One end of a spring of force constant k is fixed to a vertical wall and the other to a block of mass m resting on a smooth horizontal surface. There is another wall at a distance ${x_0}$ from the black. The spring is then compressed by $2{x_0}$ and released. The time taken to strike the wall is
One end of a spring of force constant k is fixed to a vertical wall and the other to a block of mass m resting on a smooth horizontal surface. There is another wall at a distance ${x_0}$ from the black. The spring is then compressed by $2{x_0}$ and released. The time taken to strike the wall is
- A
$\frac{1}{6}\pi \sqrt {\frac{k}{m}} $
- B
$\sqrt {\frac{k}{m}} $
- C
$\frac{{2\pi }}{3}\sqrt {\frac{m}{k}} $
- D
$\frac{\pi }{4}\sqrt {\frac{k}{m}} $
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