Cosmos is a Greek word which is used for universe. Study of cosmos means study of universe which is known as cosmology. Cosmology is a branch of physics in which evolution of universe and composition of universe is studied.
Explanation:
Cosmos is a Greek word which is used for universe. Study of cosmos means study of universe which is known as cosmology. cosmology is a branch of physics in which evolution of universe and composition of universe is studied.
The topic covered in the study of the cosmos are as follows:
The study of cosmos is of the large scale structures & evolution of the universe, it encompasses the origin, evolution, composition, and the eventual face of the universe.
Answer: Physical changes only change the appearance of a substance, not its chemical composition. Chemical changes cause a substance to change into an entirely substance with a new chemical formula. Chemical changes are also known as chemical reactions.
A wire carrying a 30.0-A current passes between the poles of a strong magnet that is perpendicular to its field and experiences a 2.16-N force on the 4.00 cm of wire in the field. What is the average field strength?
