Momentum Problems
Find out how momentum is conserved in collisions along with the conservation of energy. 
Center of Mass
All aspects of a two body elastic collision are explained from a center of mass point of view.
Jumping
The interaction of the earth with a jumping person is explained using the momentum principle.
Water Tanks
Energy conservation and introductory thermodynamics are explored using this simplified model of two colliding water tanks.
Semicircles
This problem set explores the momentum and energy present in balls travelling through semicircles and their relations to the semicircle’s radius.
Bouncing Balls
Principles of momentum are used to explain what happens when two balls of perfect elasticity are dropped from a certain height.
Two Block Collisions
How do two objects behave after they collide with one another? The role of momentum and energy in determining the outcome of collisions will be explored in the following set of questions.