Abstract
The force of gravity and the force of air resistance affect a particle thrown at an angle to the horizon with an initial velocity. In the calculation of wind protection and distribution devices, it becomes necessary to reduce the differences in trajectories when changing the type of fertilizer. There are two possibilities for simple adjustments. First, you can try to increase the throwing speed of fertilizers with a high windage factor. Secondly, the initial throwing angle can be adjusted. However, it is not possible to achieve alignment of the trajectories by adjusting the throwing angle. The smallest difference in trajectories was obtained by combining the simultaneous change in the initial angle and throwing speed. By simultaneously adjusting the initial angle and initial throwing speed, it is possible to almost match the trajectories of particles with different wind ratios, which is useful when working with a distributor
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