18:16 (2013) How to calculate the launch angle Ɵ of a particle to an incline of given angle β in order to get the maximum range for the particle fired up the incline with given speed u.
We see that Ɵ does not depend on u.

18:16 (2013) How to calculate the launch angle Ɵ of a particle to an incline of given angle β in order to get the maximum range for the particle fired up the incline with given speed u.
We see that Ɵ does not depend on u.