06.49: Three identical Hookian springs of spring constant k are connec
lf7 c 9gyi /.x8ydflr,ted as shown to a mass M in equilibrium. The horizontal platform shown between the springs and the springs themselves have no mass. If the mass M is slightly displa
lrg.lf9 f yxd8ic /,7yced vertically, the mass exhibits simple harmonic oscillation. Assume that the horizontal platform does not rotate during the oscillations.What is the period of the oscillation?