 understand:
1. Classical mechanics cannot in full describe motion of bodies at velocities approaching the speed of light.
2. The speed of light in vacuum is the same in all inertial frames of reference. That is why it is necessary to change Galileo’s transformations of coordinates for Lorenz’s transformations.
3. According to Lorenz’s transformations time interval between events is different in different frames of reference. As well as time intervals, length and space interval are different in different frames of reference.
4. The space–time notion exists in Universe. The space-time interval is the same in all frames of reference.
5. The relativistic law of velocities addition confirms the existence of limit velocity - the velocity of light in vacuum.
6. Limit velocity of interaction propagation is velocity of light in vacuum.
7. Galileo’s transformations and classical law of velocities addition are partial cases of more general regularities such as Lorenz transformations and relativistic law of velocity addition.
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|  know:
1. Definition of notions: world point, world line.
2. Formulation of postulates of Einstein.
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get skills:
1. To determine kinematics characteristics of a body in relativistic frame of reference.
2. To pass from the relativistic frame of reference into non-relativistic one.
is space-time interval.