A 300kg compressor is placed at the end of a cantilever beam of length 1.8 m made of a material with an elastic modulus of 200*10^9 N/m^2. The beam has a moment of inertia of 1.8*10^-5 m^4. When the compressor operated at 1000 rpm, it has an amplitude of 1.2mm. What is the compressor's steady state response when a 30kg absorber with a stiffness of 1.3*10^5 N/m is added to the end of the beam? Please determine how to change the absorber to minimize the response of the beam.