Solve the following problems carefully. Write the STEP-BY-STEP solution and box your final answer. Round off the final answers to 3 decimal places. 1. A body of unknown mass is attached to an ideal spring that is mounted horizontally with its left end held stationary. The spring constant of the spring is 120 N/m and it vibrates with a frequency of 6.00 Hz. Assuming that there is no friction, find a) The period, b) The angular frequency, c) the mass of the body in lbm.