A small block of mass 100 g is tied to a spring of spring constant 7.5 N / m and length 20 cm. The other end of spring is fixed at a particular point…

A small block of mass $\displaystyle 100$ g is tied to a spring of spring constant $\displaystyle 7.5 \mathrm{~N} / \mathrm{m}$ and length $\displaystyle 20$ cm . The other end of spring is fixed at a particular point A. If the block moves in a circular path on a smooth horizontal surface with constant angular velocity $\displaystyle 5$ rad/s about point A, then tension in the spring is -