06.49: Three identical Hookian
.5:esbmqwghv6be ; u + springs of spring constant k are connected as shown to a mass M in equilibrium. The horizontal platform shown between the spring
.5:6beumwqe+bg ; hs vs 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?