An example will illustrate the magnitude of the parameters involved. Let m=70 kg and L=1.7 m so that I_0 =67.4 kg m^2. Suppose that F is a constant force of 100 N of duration 0.3 s, applied at a height d=1.4 m. Then the rod will rotate with angular acceleration dω/dt=2.08 rad/s^2 . After 0.3 s, ω=0.62 rad/s, the rod rotates through an angle