Recent content by Haikon

No, the shell is traveling up and landing 72 meters above its original position, so vertical displacement will be +72. Both range and vertical displacement are positive in this case. Here is the diagram (drawn in paint and not to scale): http://puu.sh/19JvY

Homework Statement An artillery shell is fired at mach 2 at an enemy encampment located at a range of 1700m. The initial position of the shell is 72 meters below the encampment, and is aimed at an angle θ. Solve the problem for θ. We can get the following variables/data from this: Range =...