Halliday, Resnick & Walker — Oscillations: Problem Problem_103

A block sliding on a horizontal frictionless surface is attached to a horizontal spring with a spring constant of \(600 \text{ N/m}\). The block executes SHM about its equilibrium position with a period of \(0.40 \text{ s}\) and an amplitude of \(0.20 \text{ m}\). As the block slides through its equilibrium position, a \(0.50 \text{ kg}\) putty wad is dropped vertically onto the block. If the putty wad sticks to the block, determine (a) the new period of the motion and (b) the new amplitude of the motion.