a) What is the natural frequency of a spring -block system if the mass of the block is 0.5 kg and the spring constant is 100 N/m.
b) A person forces a spring-block system to vibrate at the frequencies 0.23 Hz, 2.3 Hz, and 23 Hz. At what frequencies the spring vibrate has the highest amplitude?
c) What do we call the phenomena in part b of the question?
Please show work, diagrams , calculations etc.