How many coordinates are needed to describe the movement: cars on a straight road; a billiard ball on the table; flies around the room?

To describe the movement of a car on a straight road – one coordinate is enough: a billiard ball on the table – two coordinates are enough: flies around the room – three coordinates are enough.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.