Java, Simulation, Programming, Science, Coding.
taken for a collision to occur. public void bounceOff(Particle that) { double dx = that.rx - this.rx; double dy = that.ry - this.ry; double dvx = that.vx - this.vx; double dvy = that.vy - this.vy; double dvdr = dx * dvx + dy * dvy; double dist = this.radius + that.radius; double J = 2 * this.mass *