# Homework KCE (Physics)

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Performed and documented strictly in accordance with the work program, guidelines for the implementation of examinations for students of correspondence courses specialties 020,400, 021100,060400,060500, 061,100.351300, 060,600 (MGRS, GAS)
1. Analyze the above list of biological disciplines, which is built in a certain order. Explain the sequence of the list and build a similar sequence for physics and chemistry. What kind of science than those listed above, you still know? What are studying these sciences?
2. Specify in what period of the development of science and in what areas of natural science to work following scientists:
3. Give the concept of macro- and micro-mega. Which of the objects in the table refer to the micro, macro and mega worlds? Fill in the table.
4. What kinds of fundamental interactions. What manifests the universality of fundamental interactions. Give a description of the fundamental interactions, fill in the table. In which processes play a decisive role the fundamental interactions?
5. a) Give a brief description of the solar system. Fill in the table.
b) What is the essence of the law of gravity? Why is this law called the World? Determine the speed of rotation of the planet around the Sun, believing that it moves in a circle.
6. Solve the problem: solid ball rolls down the inclined plane having a length of 10 m, and the angle of inclination of 30 °. Determine the velocity of the ball at the end of the inclined plane.
7. Solve the problem: the electron is in a one-dimensional potential well with infinitely high walls, width 1,4 • 10 "9 m. Determine the energy emitted when the electron goes from the third to the second energy level.
8. In which state of aggregation may be the substance? What factors depend on the state of matter? What is the state of matter are the stars? What is the energy source of the sun and the stars? Find the energy released in thermonuclear reactions: Weights some isotopes (amu)
Ne32 + → Ne32 Ne42 + 2r11

9. What types of chemical bonds do you know? Explain the example of water molecules mechanism of formation of covalent and hydrogen bonds.
Draw: a) the structure of water molecules; b) the formation of hydrogen bonds in the water
What determines the unique properties of water? List and describe the properties of their biological role.
10. What materials are called organic? Based on the position of the carbon in the periodic system of elements DI Mendeleev specify: I) as ducts and how many neutrons in the nucleus of an atom? 2) How many electrons in the atom; 3) as the electron levels; 4) how many electrons in the outer electron level; 5) a carbon atom is why variable valency which manifest valence carbon in organic compounds; 6) Write the electronic formula and distribute the cells for energy electrons carbon atoms located: a) in the normal state; b) in the excited state. 7) What ties can bind carbon atoms.
11. Based on the position of the element in the periodic table of the elements Mendeleev specify: 1) the number of protons and number of neutrons in the nucleus of an atom? 2) How many electrons in the atom; 3) as the electron levels; 4) how many electrons in the outer electron level; 5) shows whether the item is a variable valence? 6) Write the electronic formula and distribute the cells for energy electrons of an atom located: a) in the normal state; b) in the excited state. 7) What connections capable of connecting atom.
12. What are the chemical elements that are most important to the life and why? Explain. Write about for the body of each chemical element.
13. Build the circuit of the following concepts: 1) the cell; 2) type; 3) the molecule; 4) organs, tissues; 5) the Biosphere; 6) the entire organism; 7) biocenosis. Explain the sequence diagrams. Specify where the boundary between the living and non-living. Describe the main features of living things.
14 What levels of organization of living matter, you know? Fill in the table.
15. What organic substances included in the cell? What are organic substances are the most common in the world? Describe what functions in cells carry organic matter.
Nucleic acid; Fats
16. Give the comparative characteristics of DNA (deoxyribonucleic acid) and RNA (ribonucleic acid) on the following grounds:
17. Give an example biogeocoenose (ecosystems) your area. List the most important components of ecosystems, and expand the role of each of them. Are ecosystems - open systems? Explain your answer.
Oakwood
18. What factors depend on the climate of the planet Earth? Why the global climate response? What factors determine the cosmic climate change the planet? Determine the table of climate change with distance from the ocean inland (fill in the table). What is the impact on the climate and the earth's shell renders human activity?
19. What are the main types of temperaments, you know? Give them a brief description of the example of literary characters or historical figures. What type of temperament do you belong?
20. Specify any of the following fields of natural science terms and concepts.
21.Obyasnite values \u200b\u200bof the following terms and concepts: isotropy, the interpretation of the concept, corpuscle

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