The 3-inch ordnance rifle, model 1861 was a wrought iron muzzle-loading rifled cannon that was adopted by the United States Army in 1861 and widely used in field artillery units during the American Civil War. It fired a 9.5 lb projectile to a distance of 1,830 yd at an elevation of 5. The projectile was loaded on top of a charge consisting of 1 lb of black powder, an explosive.

The barrel of the cannon is 1 m above ground level.

1. Draw a picture and construct an LOL Energy Diagram for the scenario when...
   1. The cannon has been loaded and is ready to be fired,
   2. The cannon has been fired and the projectile is traveling at a constant velocity through the air.

NEED AN LOL DIAGRAM COMPLETED!