Any non-zero change of direction is possible : if this distance is zero the velocities are reversed in the collision; if it is close to the sum of the radii of the spheres the two bodies are only slightly deflected.
22.
For March, the zero change in the overall PPI reflected a 0 . 5 percent drop in energy prices, which in turn reflected a 2 . 1 percent drop in gasoline prices and a 0 . 6 percent decline in natural gas.
23.
Yet, the implications of classic black hole theory are inescapable : other than the fact that the two classic black holes would become increasingly massive due to the infalling matter and energy, they would undergo zero change in their relative composition because their singularities " have no composition ."
