A wooden block A of mass 5 kg is connected to a wall with a spring of stiffness 180 Ncm−1 as A bullet B of 0.02 kg mass hits the block at a speed of 1200 ms−1 and gets embedded into the block almost...

A wooden block A of mass 5 kg is connected to a wall with a spring of stiffness 180 Ncm−1 as A bullet B of 0.02 kg mass hits the block at a speed of 1200 ms−1 and gets embedded into the block almost instantaneously. Find out the amplitude and frequency of oscillation of the system afterward.