While seated on a tall bench, extend your lower leg a small amount and then let it

Question:

While seated on a tall bench, extend your lower leg a small amount and then let it swing freely about your knee joint, with no muscular engagement. It will oscillate as a damped pendulum. Figure P14.66 is a graph of the lower leg angle versus time in such an experiment. Estimate

(a) the period and

(b) the time constant for this oscillation. image text in transcribed