Central and absolutely elastic collision of two balls with identical masses. After collision the incoming ball stops.

Central and absolutely elastic collision of two balls with different masses. The mass of incoming ball is greater than the one of the still one. After collision the balls move in one direction.

Central and absolutely elastic collision of two balls with different masses. The mass of incoming ball is smaller than the one of the still one. After collision the balls move in opposite directions.

Transfer of a pulse along a chain of absolutely elastic balls with identical masses. Only the last ball continues the motion.

Central collisions of the balls.

Collision of the elastic ball with the wall is accompanied with excitation of the flexural oscillation of it.

Central and absolutely elastic collision of a ball with a still oscillator. At the moment of collision the spring does not influence the balls and the incoming ball stops.

Central and absolutely elastic collision of a ball with a still oscillator. Oscillator is set into the motion and then collide the other still ball.

Ballistic pendulum. Measuring the amplitude of a pendulum oscillation we can determine the speed of incoming a ball (bullet).

Noncentral and absolutely elastic collision of two balls with identical masses. After collision the balls  scatter under an angle to direction of initial motion.

Scattering one group of light particles onto the other group of massive particles.