...(rf+rp)^2. Subscript f refers to fiber and Subscript p refers to particle. Here x and y are the coordinates obtained during the execution of the Runge Kutta 4 method for equation 1. 5. Release particle from the kuwabara cell. 6. Print output when the particle touches the fiber. For each iteration we solve equation 1 for X and Y coordinates points and the velocity components using the RK 4 method. Print x and y coordinates the velocity ...