1. The problem statement, all variables and given/known data An artillery shell is fired with an initial velocity of 300 m/s at 55.0 degrees above the horizontal. It explodes on a mountainside 42.0 seconds after firing. What are the x and y coordinates of the shell where it explodes, relative to it's firing point? We know that it is fired at 300 m/s. It is launched at a 55 degree angle and it hits after 42 seconds of flight. 2. Relevant equations See below. 3. The attempt at a solution --x component-- velocity: 172.1 m/s distance: 7228.2 meters time: 42 seconds acceleration: 0 m/s/s velocity = 300cos55 distance = 172.1 m/s x 42 seconds time = given acceleration = always zero --y component-- velocity: 245.7 m/s distance: ? - This is what I'm trying to figure out. time: 25.0 seconds acceleration: -9.81 m/s/s velocity = 300sin55 distance = ?? time = 245.7 meters / 9.81 m/s/s acceleration = -9.81 m/s/s I am confused. Thank you very much.