06.49: Three identical Hookian spri
;0v;;fvjyloetl+:t; u f.jrpwd.k /nngs of spring constant k are connected as shown to a mass M i
w ljt+jnd tv;e :o;yfvp.u/.kfl0 r; ;n equilibrium. The horizontal platform shown between the springs and the springs themselves have no mass. If the mass M is slightly displaced 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?