4 3. A mass of 0.65 kg is attached to the end of a freely hanging vertical spring and brought to rest. We choose this equilibrium location when the spring is at its natural length to be where gravitation potential energy is zero, removing this type of potential energy from the experiment. The mass is lifted a height of 0.20 m from its equilibrium position and then released. The mass oscillates in simple harmonic motion and repeats its motion every 0.4 s. a. (1 pt) Determine the frequency of oscillation. b. (1 pt) Determine the angular frequency of oscillation. c. (1 pt) Determine the spring constant. d. (1 pt) Write a function that represents the position of the mass with respect to time. e. (1 pt) Determine the position of the mass 2.40 s after it has been released. f. (1 pt) Determine the maximum acceleration of the mass. g. (1 pt) Determine the maximum force acting on the mass