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.
Population of Palatka, FL. Last official estimated population of Palatka city (Putnam County**, Florida state) was 10,387 (year 2014)[1]. This was 0.003% of total US population and 0.05% of total Florida state population. Area of Palatka city is 9.1 miÂ² (=23.5 kmÂ²)[6], in this year population density was 1,142.56 p/miÂ².