The projectile having a mass of m = 3 kg is fired from a cannon with a muzzle velocity of vO = 500 m/s. Determine the projectile's angular momentum about point O at the instant it is at the maximum height of its tr

The projectile having a mass of m = 3 kg is fired from a cannon with a muzzle velocity of v_O = 500 m/s. Determine the projectile's angular momentum about point O at the instant it is at the maximum height of its trajectory.