A toy car of mass `m` is having two similar rubber ribbons attached to it as shown in the figure.
Channel: Doubtnut
Date: 2020-01-26

A toy car of mass `m` is having two similar rubber ribbons attached to it as shown in the figure. The force constant of each rubber ribbon is `k` and surface is frictionless. The car is displaced from mean position by `x cm` and released. At the mean position the ribbons are undeformed. Vibration period is