Ok, here's the problem:
A cannon angled at 45 degrees above the horizontal is fired. The cannonball lands 100 meters away. What is the initial velocity?
I've tried using the kinematic equations, but I always end up with at least 2 variables with 1 equation. I'm just completely stumped...
Ah, thank you arcnets. The answer was staring me right in the face the entire time and I couldn't see it! Thanks again arcnets.
And off topic, how do you make super and subscripted numbers?
Ok, I edited the post to show all my work, so here it is...
A hole is punched at a height h in the side of a container of height H. The container is full of water. If the water is to shoot as far as possible horizontally, (a) how far from the bottom of the container should the hold be...