How to measure the speed of a fast ball

Moving matter is a zany road to applying basic laws of conservation of momentum and energy to establish the rationale for determining the speed of a fast ball or other projectile-like motion... See More

Moving matter is a zany road to applying basic laws of conservation of momentum and energy to establish the rationale for determining the speed of a fast ball or other projectile-like motions as well as investigating elastic and inelastic collisions. The article is a great mathematical resource for teachers and encourages them to create real-life situations of gathering data to measure motions that may be difficult without special tools. And the wonderful ‘toons’ offer gateways to many discussion questions of “What do you see? What do you think? What would you like to know? and How would you go about gathering data and analyzing the results?”