For example in case of explosion of a particle into many fragments momentum is conserved in the x direction but not in the y direction where gravity is acting but if we consider the particle and Earth as a system the gravity force becomes an internal force and hence momentum is conserved for that system.
Compared to the rest of the country, Soldotna's cost of living is 26.90% Higher than the U.S. average. As of 2014, Soldotna's population is 4,209 people. Since 2000, it has had a population growth of 11.91 percent. Average Commute time is 15 minutes.
Donetsk (Ukrainian: Ð´Ð¾Ð½ÐµÑÑÐº, pronounced [doËnÉtÍ¡sÊ²k], translit. Donetsâk; Russian: Ð´Ð¾Ð½ÐµÌÑÐº, tr. Donetsk; IPA: [dÉËnÊ²Étsk]; former names: Aleksandrovka, Yuzovka, Stalino (see also: cities' alternative names)) is an industrial city in Ukraine on the Kalmius River. The population was estimated at 929,063 (2016 est.) in the city, and over 2,000,000 in the metropolitan area (2011).