Question

The time period of mass M when displaced from its equilibrium position and then
released for the system as shown in figure is
(a)
$2\pi \sqrt{ \frac{m}{k} }$
(b)
$2\pi \sqrt{ \frac{m}{2k} }$
(c)
$2\pi \sqrt{ \frac{m}{4k} }$
(d)
$2\pi \sqrt{ \frac{2m}{k} }$
​

Answer 1

$\documentclass{article}\usepackage{tikz}\begin{document}\begin{tikzpicture}[baseline=0]\def\a{1cm}\pgfmathsetlengthmacro\radius{\a/2 * tan(30)} \draw[thick] (0, 0) (60:\a) (\a, 0) cycle (\a/2, 0) (60:\a) (\a/2, \radius)circle[radius=\radius] ; \end{tikzpicture} \end{document}$