Question

You want to shoot yourself from a cannon into a pool of water on the roof of a 25-m high building. The center of the pool is 50 m away. The angle of the cannon with respect to the ground is fixed at 60°, and the exit of the cannon is 3 m above the ground. What is the muzzle velocity, v0, which will land you in the pool of water? The drawing is not to scale.