What does it mean to say that momentum is conserved? when momentum or any other object in physics doesn't change..... momentum = momentum before and after the collision. Elastic collision
The 2016 Springfield, Illinois, population is 116,565. There are 1,955 people per square mile (population density). The median age is 38.7. The US median is 37.4. 44.11% of people in Springfield, Illinois, are married. 14.83% are divorced.
(Redirected from Springfield missouri) Springfield is the third largest city in the state of Missouri and the county seat of Greene County. According to the 2010 census data, the population was 159,498. As of 2015, the population is 166,810 (Census Bureau Estimate).