Βολή βλήματος από διαφορετικά ύψη Original Khan Academy video: Launching and Landing on Different Elevations https://www.khanacademy.org/science/physics/two-dimensional-motion/two-dimensional-projectile-mot/v/launching-and-landing-on-different-elevations Help us caption & translate this video! http://amara.org/v/CL57/