Deriving conservation of momentum from Newton's third law

Open vs closed systems and when to use conservation of momentum

Billiard ball collides with stationary golf ball

Finding unknown mass using conservation of momentum

Finding final velocity of train car B after a same-direction collision

Bullet passing through a wooden block: finding the block's velocity

Bullet embedding in a wood block: a stick-together momentum problem

Finding the puck's velocity when a goalie catches it on ice

Truck-car collision with friction: momentum and impulse combined

Rocket explosion problem using conservation of momentum

Finding canoe mass using conservation of momentum in an explosion problem

Cannon fired from a moving rail car explosion problem