constant 2.71 x 104 N/m. The mass is lifed then released, allowing it to oscillate. Air resistance on the oscillating mass is represented by a damping coefficient of 2.4 N-s/m. a. Determine the frequency of the damped oscillation. f Hz b. Determine the percentage decrease in the amplitude of the damped oscillation per cycle. Hint 1: For damped oscillations, amplitude varies as a function of time A(t) = Age (b/2m)t, where Ao is the initial amplitude. Hint 2: percent decrease = (original value - new value)/(original value) percent decrease = % c. How much time passes from when the mass is released until the energy of the mass-spring system decreases to 12.5 % of its initial value? Hint 3: The initial energy of the mass spring system is all eleastic potential energy. EPE = 1/2 k A02. Consider that amplitude varies as A(t) = Age (b/2m)t