Fundamentally, momentum conservation is linked to invariance under space translations. See Noether's theorem. If you want to find a system that does not conserve momentum you should look for situations where space is not uniform, e.g. balls rolling on the surface of a bowl, a planetary system (when the dynamics of the sun is neglected), etc.
Socorro is a city in Socorro County in the U.S. state of New Mexico. It is in the Rio Grande Valley at an elevation of 4,579 feet (1,396 m). In 2012 the population was 8,906.
Census Population Estimate Release March 2017. A look at New Mexico Trends â In recent years, New Mexico has seen a change in its population growth trends. As of July 1, 2010, the New Mexico population estimate was 2,064,756.1 By 2013, the state population plateaued at 2,085,193 before declining to 2,080,328 in 2015. However, population in 2016 increased slightly to 2,081,015, resulting in a 0.03 percent increase over 2015 and a 0.79 percent increase over 2010.