The one with double mass collides into the stationary one
A moving car collides into a stationary one of double mass
Two cars with different velocities have a head-on collision
A moving one collides into a stationary one
Experimental investigation of conservetion of linear momentum in case of closed system of particles
Dynamic mass measurement with elastic collision of cars
Dynamic mass measurement with inelastic collision of cars
Illustrating the concept of steadily slowing speed using the speed-time graphs.
Illustrating the concept of steadily slowing speed using the speed-time graphs.
Investigating the motion of Santa Claus using its position-time and velocity-time graphs.
Representing the usage of Microscope
A guide about the meaning of icons found in digital lessons and the possibilities of using them.
Reindeer are special animals. Let’s see why.
Christmas is in danger! Help Santa, or he won't be able to deliver the presents.
The lesson examines the functions of the family and the changes they have undergone.