Tracker tennis ball rebounce force and air drag
tennis ball projectile motion
g = 9.81
fx = 0 , fy = g
authors: li_anqi , model lookang

tennis ball projectile motion
fx = 0 , fy = g
authors: li_anqi , model lookang

tennis ball rebounce force and no air drag
g = 9.71
fx = if(t<t1,0,if(t<t2,vw,0)) , fy = if(t<t1,m*g,if(t<t2,vum*g,m*g))
authors: li_anqi , model lookang

tennis ball rebounce force and no air drag
g = 9.71
fx = if(t<t1,0,if(t<t2,vw,0)) , fy = if(t<t1,m*g,if(t<t2,vum*g,m*g))
authors: li_anqi , model lookang

vw is force imparted on the ball by the wall in the y direction, also known as friction
lookang tennis ball rebounce force and air drag
k = 1.5 , g = 9.71
fx = if(t<t1,0,if(t<t2,Rx,k*vx)) , fy = if(t<t1,m*g,if(t<t2,Rym*g,m*gk*vy))
authors: li_anqi , model lookang

lookang tennis ball rebounce force and air drag
k = 1.5 , g = 9.71
fx = if(t<t1,0,if(t<t2,Rx,k*vx)) , fy = if(t<t1,m*g,if(t<t2,Rym*g,m*gk*vy))
authors: li_anqi , model lookang

Ry is contact force with the basketball panel in the y direction, also known as friction