Studying the physical laws of moving ball at the power serve in jump
Journal: Slobozans`kij naukovo-sportivnij visnik (Vol.45, No. 1)Publication Date: 2015-02-28
Authors : Alina Melnik;
Page : 81-84
Keywords : volleyball; trajectory; experiment; coordinates; target; efficiency;
Abstract
Purpose: to study the dependence of the characteristics of the trajectory of moving ball, which determine the accuracy of the power serve in the jump, from the values of the relevant kinematics variables. Material and Methods: analysis of video filming, teacher observations, mathematical methods of processing the results. Results: the appropriate experiment, whose data were used to study the physical laws of moving ball, have been proposed and carried out. A detailed analysis of the characteristics of the ball trajectory, depending on the choice of the values of kinematics parameters such as speed, altitude and angle of moving ball relative to the playground at the initial time of performing serve, have been carried out. Conclusions: it is shown in particular that the precision of performing serve is substantially depended on the emission angle and the initial velocity of the ball
Other Latest Articles
- Formation and diagnostics levels of educational abilities of students in physical education
- Relationship between of special preparedness and bioenergetics level of football-player age 13?14 years old and typological function of central nervous system
- Intuitionistic fuzzy stability of cubic type mapping
- Dental Image Matching By Canny Algorithm for Human Identification
- An Analysis among Physiological and Physical Fitness of Middle Distance and Long Distance Runners
Last modified: 2015-03-05 20:28:57