06.49: Three identical Hookian springs
m1b(iblixxk c .+,m henx;/ ;lof spring constant k are connected as shown to a mass M in equilibrium. The horizontal platform shown between the springs and the springs them
c xnmlb;1ilm i./; e(bx+kx,hselves 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?