A body with free, undamped harmonic motion has a displacement amplitude of 0.25 mm (i.e.,maximum displacement) and an acceleration amplitude (i.e., maximum acceleration) of 3.924 m/s2. a. Find the circular

frequency b. Find the frequency G Find the period d. Find the velocity amplitude (i.e., maximum velocity) e. Find the spring stiffness if the mass is 0.5 kg lethal autonomous weapon system f. Write an expression for the harmonic motion