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.
About City of Springfield, Hampden County, MA Public Record Searches. Search the City of Springfield, public records using best found research sources online. This City zip code is 1101 with a total population of 153,060. Look up recorded information of Springfield, including demographics and local economy. Link to all levels of Springfield, government and their sites with services which provide public information. Current economy, business and housing data. Read about up to date current events and what is occurring in the City of Springfield. Find out about the background of residents and recorded statistics.