Who was the powerful and ruthless leader of the soviet union from 1929-1953 who also ordered the great purge in which he had his real and imagined enemies arrested?

Answers

Answer 1

Answer:

Answer:

The correct answer is Joseph Stalin.

Explanation:

Joseph Vissarionovich Stalin was a Soviet politician who led the soviet union from 1929 - 1953. Stalin self declared himself as the dictator by 1930s. He was the person behind the Great Purge or "Great Terror" in which around a million were imprisoned and some 750,000 were executed. This campaign was led just to execute all those who were a threat to his party.

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A small laser emits light at a power of 5.00 mW. The laser beam is focussed until its diameter matches the 1266 nm diameter of a sphere placed in its path. The sphere is perfectly absorbing and has a density of 5.00 x10 3 kg/m 3.a. Calculate the average energy per unit time per unit area (S). b. Find the maximum values of E and B. c. Calculate the radiation pressure on the sphere and the force exerted on the sphere. d. Find the acceleration of the sphere.

Starvation is the result of a mal-distribution of food, which is primarily due to drought and a lack of resources.
exportation.
civil war.
dictatorships.

Answers

Starvation is the result of amal-distribution of food, which is primarily due to drought and of course, alack of resources. From the choices above, of course dictatorships, which isexploiting the citizens’ natural resources for one’s own tyrannical benefit maylead to lack of resources. Civil war, will not only cause casualties but lackof resources as well. As well as too much exportation of resources leavingnothing for the country. The point is, everything will cause lack of resourcesbut lack of resources is the root cause of starvation where the demands of thepeople are greater than the supply.

When used as an energy source in a nuclear power plant, uranium is burned in a similar way as one would burn wood or coal for energy. a. True
b. False

Answers

False because nuclear fission is used on uranium in nuclear power station and this reaction is continuous since a neutron hits a uranium atom and splits it. Then 2-3 neutrons are released which continues the cycle or hitting other uranium atoms. If this reaction isn't contained, it could get out of control and become a nuclear bomb. So it can't be burned like wood nor coal.
Hope this is helpful.

How many neutral points does a bar magnet have

Answers

Answer:

There are two neutral points. At a neutral point, the net magnetic field becomes zero.

Explanation:

The horizontal surface on which the block of mass 2.2 kg slides is frictionless. The force of 27 N acts on the block in a horizontal direction and the force of 81 N acts on the block at an angle as shown below is the magnitude of the resulting ac celeration of the block? The acceleration of gravity is 9.8 m/s ^ 2

Answers

To determine the magnitude of the resulting acceleration of the block, we need to resolve the forces acting on the block into their horizontal and vertical components.

The force of 27 N acts horizontally, so its horizontal component is 27 N.

The force of 81 N acting at an angle needs to be resolved into its horizontal and vertical components. The horizontal component is given by 81 N * cosθ, where θ is the angle between the force and the horizontal direction. Since the angle is not specified in the question, we cannot determine the exact value of the horizontal component without that information.

Once we have the horizontal components of the forces, we can calculate the net horizontal force acting on the block by summing up all the horizontal components. In this case, the only horizontal force is the force of 27 N, so the net horizontal force is 27 N.

Using Newton's second law, F = ma, where F is the net force and m is the mass of the block, we can solve for the acceleration.

a = F / m
a = 27 N / 2.2 kg
a ≈ 12.27 m/s^2

Therefore, the magnitude of the resulting acceleration of the block is approximately 12.27 m/s^2.

A typical oil control ring consists of _______ separate part(s). A. three
B. four
C. two
D. one

Answers

A. three

Oil spill can be very harmful to marine life because the chemical make up of oils can be poisonous to marine life. The oil can also affect the natural body temperature of marine animals especially to the small fish. Sea otters and sea birds are the most commonly affected by oil spills and those other marine animals that can be found in the shoreline. Heavy oils like the bunker oils used to fuel ships are the most harmful oil because when this oil stick to birds feathers, they may have an inability to warm themselves that could lead them to die.

Answer:

Three

Explanation:

Oil control rings are designed differently than compression rings. A typical oil control ring consists of three separate pieces: two very thin metal rings called scrapers, and a spacer ring called an expander placed in the groove between them.

Within a single use of the scientific method, which of the following steps can only be performed afterdata is collected?
A. Controls and variables are chosen.
B. The initial experiment is designed.
C. The initial hypothesis is formed.
D. Conclusions are drawn.

Answers

Within a single use of the scientific method, the step which would be performed after we collect data, would be the drawing of a conclusion out of the answers that you've presented - D.

It is usually the case that you first have to analyze the data after you've gather it and then you base your conclusions on it. This isn't, however, always the case.

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