Good evening! Can someone please answer this, ill give you brainliest and your earning 50 points. Would be very appreciated.

Coal, followed by gas is the largest source of electricity

Coal is the world’s biggest source of electricity production.

The world's biggest source of electricity production is Coal. Coal is a fossil fuel that is mined from the ground and is the largest source of energy for the generation of electricity worldwide. Coal is burned to produce heat, which is then used to boil water and produce steam. The steam drives turbines that generate electricity.

There are other sources of electricity as well, such as natural gas, nuclear energy, hydroelectric power, and renewable energy sources like wind and solar power.

However, coal is the largest source of electricity production in the world.

Answer:

Fission is the process by which large nuclei (like Uranium) split apart releasing energy. Fusion is the joining of nuclei to make larger nuclei, with the release of energy. A ball of contracting interstellar gas becomes a star like the Sun when fusion reactions start in its center. Then, we say "a star is born."

Answer: When light element atoms are crushed under enough pressure for their nuclei to fuse, a star is formed. All stars are the consequence of a balance of forces: gravity compresses interstellar gas atoms until fusion reactions begin.

Explanation:

The most accurate summary of kaku’s argument is Newton’s discoveries led to the invention of machines and the beginning of an industrialized society.

According to her, “two bodies attract each other with a force proportional to their masses and inversely proportional to the square of the distance separating their centers of gravity”. With this discovery, Newton eliminated dependence on divine action and began modern science.

The text is about the achievements of Newton that led to the industrial progress, having strong impact on many generations incuding modern generations.

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Answer:

Newton’s discoveries led to the invention of machines and the beginning of an industrialized society.

Explanation:

Answer:

atmospheric

Explanation:

I think it’s atmospheric if I, wrong please tell me and I will fix it thanks!

Answer:

the answer is 2321 watts

Explanation:

power= energy/time

power= 441/0.19=2321.05watts

The final temperature of the mixture after thermal equilibrium is reached given the data is 40.4 °C

Heat loss = Heat gain

MC(T – Tₑ) = MᵥᵥCᵥᵥ(Tₑ – Tᵥᵥ)

40.1 × 0.45(652 – Tₑ) = 328 × 4.184(Tₑ – 32.4)

18.045(652 – Tₑ) = 1372.352(Tₑ – 32.5)

Clear bracket

11765.34 – 18.045Tₑ = 1372.352Tₑ – 44464.2048

Collect like terms

11765.34 + 44464.2048 = 1372.352Tₑ + 18.045Tₑ

56229.5448 = 1390.397Tₑ

Divide both side by 1390.397

Tₑ = 56229.5448 / 1390.397

Tₑ = 40.4 °C

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The emf of the battery of the given circuit is 18 volts and the current through the 6 ohm resistor is 3A.

In a current carrying conductor, the voltage difference V is directly proportional to the current I through the conductor. The constant is called the resistance R.

i.e V=IR.

Emf of the battery is equal to e = V1 +V2

Current through 2 ohm resistor, I2 = V2 /R

I2 = 12/2

I2 =6 A

Voltage through 1 ohm resistor V1 = I1 R

V1 = 6 x 1 =6 volts

Emf of the battery E = 6+12 =18 volts.

The current  through 6 ohm resistor is

I = 18 /6 = 3 A

Thus, emf of the battery is 18 volts and the current through the 6 ohm resistor is 3A.

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Answer:

1m/s

Explanation:

wave velocity=frequency × wave length

=0.05 × 20

=1 m/s

The source of nutrition that Andrew should consume prior to the match to get the boost of energy he desires is carbohydrate.

Nutrition refers to the organic process by which an organism assimilates food and uses it for growth and maintenance.

There are 6 major classes of nutrients and they are as follows:

Among these classes of nutrients, carbohydrates provide the fastest source of energy in the body and hence, can be recommended for an athlete like Andrew who is preparing for a weight lifting endeavor.

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The speed of the target with the bullet lodged in it is 5.6 m/s.

This is the rate of change of distance.

To calculate the speed of the target and the bullet lodged, we use the formula below.

Formula:

Where:

From the question,

Given:

Substitute these values into equation 1

Hence, the speed of the target with the bullet lodged in it is 5.6 m/s.

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On the Earth, these convection cells form because of the unequal heating of the Earth and changes in pressure. Option C is correct.

A convection cell is a phenomenon that happens when there are density changes inside a liquid or gaseous medium.

The essential characteristics of a convection cell are rising and/or falling currents, which are caused by density variations.

These convection cells arise on Earth as a result of the Earth's uneven heating and pressure variations.

On the Earth, these convection cells form because of the unequal heating of the Earth and changes in pressure.

Hence,option C is correct.

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The mass of the accelerated object is 9kg.

According to this law, the force is equal to the product of mass of the object and its acceleration.

F =ma

Given is the force F =45 N and the acceleration is 5 m/s², then the mass will be

m = F/a

m = 45/5

m =9kg

Thus, the mass of the object is 9kg.

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the branch of optics that studies interference, diffraction, polarization, and other phenomena for which the ray approximation of geometric optics is not valid.

we can use 3 formula for inclined plane

W=-ΔPE

W=ΔKE

W=mg sinθ. d

let's use the third formula

sinθ = 1.2 : 3

sinθ = = 0.4

W = m.g. sinθ. d

W = 110 x 10 x 0.4 x 3

W = 1320 J

Answer:

7.5m/s

Explanation:

Law of conservation of momentum: momentum in a system before collision equals to that after collision/

5kg*3m/s=2kg*v

15kgm/s=2kg*v

v=7.5m/s

Answer:

F ΔT = Δ(M V)

Change in momentum is equal to applied force* time

Δ(M V) = 6 kg * 12 m / s = 72 kg-m / s

ΔT = 72 kg-m/s / 18 kg-m/s^2 = 6 s     after 6 sec it will tend to rebound

Answer:

here

Explanation:

Lector

Resurrectionist

Switchboard Operator

Log Driver

milkmen

Lamplighter

Ratcatcher

Pre-radar Listener

ice cutter

human alarm clock

bowling pin setter

Answer:

number of moles of gas.

Explanation:

Medium and heavy duty vehicles require a better braking option hence they ought to have an exhaust brake.

A brake is used to slow down or stop an automobile. When the brake is applied, the speed of the automobile continues to decrease until it comes to a complete halt.

Friction brakes are apt for light vehicles that may not have the tendency to overheat. However, heavy duty vehicles may overheat often and do require an exhaust brake.The exhaust brake is most fitted for heavy duty vehicles and diesel engines.

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Answer:

-11151.69N

Explanation:

Wy= -mgcos21=-1150*9.81*cos8.7=-11151.69N (negative because weight points downwards)

y- component  = -11151.69N

Wy= -mgcos21=-1150*9.81*cos8.7=-11151.69N

(negative because weight points downwards)

This item will finally boost up down the inclined plane due to the presence of an unbalanced pressure. it's far the parallel element of the pressure of gravity that reasons this acceleration. The parallel aspect of the force of gravity is the net force.

The y-issue of Vector B is contrary to the 40o perspective. while finding additives through drawing a right triangle across the given attitude, you want to put within the symptoms explicitly. In this case, the y-thing points up and so is wonderful.

For the maximum element, we will maintain weigh and weight immediately with the aid of the use of weighing as a verb and weight as a noun, with a smattering of exceptions for records and grades and blankets. Our advice: take consolation wherein you may. Because of this, an item's mass may be measured indirectly through its weight, and so, for regular purposes, weighing (the usage of a weighing scale) is a completely suited manner of measuring mass. Further, stability measures mass in a roundabout way by way of comparing the load of the measured item to that of an item(s) of recognized mass.

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Explanation:

GIVEN :

Work done(W) = 40 J

Time(t) = 4 s

Power (P) = ?

We know that:

W = P×t

Therefore,

P= W/t

=40/4

= 10 W

Hope it helps

Climate change is the reason for a lot of factors such as:

Heat-trapping Greenhouse Gases And The Earth's Climate

Greenhouse Gases

Reflectivity or Absorption of the Sun's Energy

Changes in the Earth's Orbit and Rotation

Variations in Solar Activity

Changes in the Earth's Reflectivity

Volcanic Activity

There's a lot more that I could list, but hopefully this will do.

Answer:

a large elliptical galaxy

Explanation:

Answer:

As we know by Newton's III law that if an action force is applied on an object then the reaction force of same magnitude in opposite direction will act on the other.

So here when ball is shot using launcher then the force will be same on launcher as well as ball so we can say

now since force is of same magnitude for both both then we will have

so from above we can say that both ball and launcher will have same impulse but opposite in direction.

Now since ball will have less mass so here it will have more speed while launcher is heavy in mass so its speed is slow or very small as comapre to ball.

Answer:

Increase is energy transferred

Explanation:

Option B is correct

The induced emf is found as -0.0531 V. When the flux coupling with a conductor or coil changes, electromotive Force, or EMF, is said to be induced.

Emf is the production of a potential difference in a coil as a result of changes in the magnetic flux passing through it.

From Lenz law,the the induced EMF is found as;

[tex]\rm e=- \frac{\triangle \phi _B}{\triangle t } \\\\\rm e=- \frac{A\triangle B}{\triangle t } \\\\ e= -\frac{\pi r^2(0-1.10)}{0.15} \\\\ e=-0.0531 \ V[/tex]

Hence,the induced emf is found as -0.0531 V.

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Answer:

a measure of the amount of information on a storage medium

Density= mass

                volume

it symbol is roh

Explanation:

To find density

we need the mass and volume we have to devide both of the

Multiple point perspective is a system of perspective in which: A. there are a number of vanishing points, usually created by multiple objects.

Multiple point perspective can be defined as a system of perspective in which each items (objects) has a number of interacting lines with different vanishing points.

This ultimately implies that, a multiple point perspective is a system of perspective which is created with a number of vanishing points, that are usually created by multiple objects.

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Answer:

A

Explanation: