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.
Location of Springfield on a map. Springfield is a city found in Massachusetts, The United States Of America. It is located 42.10 latitude and -72.59 longitude and it is situated at elevation 49 meters above sea level. Springfield has a population of 153,060 making it the 4th biggest city in Massachusetts.