sin e cscO+kd k,+k,d cot= k 将积分上下限代入得碰撞前小球的类运动学方程: k2/ d2+k,k,d-vkk,(d-x)+k2(d-x))+kk22n k+k,d-vk,d k+k,(d-x)-vk,(d-x 2kq1g2 I kgn +y d-x 2kq,g2 2 2kg, qk k d k 1 2 1 sin + = 1 1 2 csc k k + k d = 1 2 cot k k d = 将积分上下限代入得碰撞前小球的类运动学方程: t k k d x k d x k k d k d k k d k k d k k d x k d x k k = + − − − + − + − − + − + − − ( ( ) ( ( ) ( ) ) ln 1 2 2 1 2 2 2 3 1 2 2 2 1 2 1 2 2 2 2 2 2 3 2 ) m d k q q v m d x k q q v 1 2 1 2 1 1 1 2 2 1 2 + − − = 1 1 2 1 2 m kq q k = m d k q q k v 1 2 1 2 2 1 2 = −