please help me i neeed help with all threeas soon as possible thank you

Answer:

shdkahfkkfrgs

Explanation:

:)

Answer:

The top producing states are Texas, Oklahoma, New Mexico, Wyoming, and Louisiana, which produce more than 50 percent of U.S. natural gas

The top states in USA that is likely to be a large producer of natural gas is Texas. The 24 .6 % of the overall production of natural gas is in Texas.

Natural gas is a type of fossil fuels. It is highly flammable hydrocarbon primarily consists of methane gas. In 2016, natural gas accounted for 33 percent of all energy produced in the US, making it the greatest energy source in the nation.

Since July 2015, natural gas has become the main fuel used to generate electricity in the US. With an average wellhead value of $2.66 per thousand cubic feet and a total wellhead value of $67.3 billion, the United States produced 25.3 trillion cubic feet of marketed natural gas in 2012.

The top 5 natural gas producing states in US are Texas, Pennsylvania, Louisiana, West Virginia, Oklahoma. In which the top one is Texas.

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Answer

That doesn't make any sense.

Explanation:

Answer:

Sharpening a knife reduces it's height as a wedge thus giving it more efficiency.

Explanation:

Mechanical advantage refers to the degree or quantity to which a force is increased or amplified by using a tool or a machine.

Mechanical Advantage can be calculated as follows:

Lenght of Incline (LI) / Height of Incline (HI)

Assume I have constructed a hedge with an inclination that run 10 meters from point x to point y (which is the back of a truck. Point y to the floor is 5 meters.

If   LI = 10m and

HI= 5m

The mechanical advantage is given as 10/5 = 2

The angle of incline is also called the effort distance. From our calculations above, by sacrificing horizontal movement, I reduced the amount of effort it would have cost to lift up that object from ground up -  a distance of 5 meters.

Think of a knife as a form of a similar wedge.

The more a knife is sharpening of a knife further reduces its angle of elevation. Thats why it becomes more efficient to use, hence our mechanical advantage.

Cheers

search it or use answers, really helps!!

Answer:

The only difference between the two is that the frequency of X-rays is very much higher than radio waves. If, on the other hand, the radio waves or X-rays are propagating through a medium other than the vacuum, their speed will generally be less than c and will depend upon the specific properties of the medium.

Answer:

The flat Earth model is an archaic conception of Earth's shape as a plane or disk. Many ancient cultures subscribed to a flat Earth and due to this people still belive earth is flat but scientist proven earth is round .

Explanation:

Einstein's Big Idea homepage. E = mc2. It's the world's most famous equation, but what does it really mean? "Energy equals mass times the speed of light squared." On the most basic level, the equation says that energy and mass (matter) are interchangeable; they are different forms of the same thing.

Answer:

a. 2.53  μJ b. It will move away

Explanation:

a. What is the electric potential energy between the particles?

The electric potential energy U = kq₁q₂/r where k = 9 × 10⁹ Nm²/C², q₁ = 4.1 nC = 4.1 × 10⁻⁹ C, q₂ = 2.4 nC = 2.4 × 10⁻⁹ C and r = distance between charges = 3.5 cm = 3.5 × 10⁻² m.

Substituting the values of the variables into U, we have

U = kq₁q₂/r²

U =  9 × 10⁹ Nm²/C² × 4.1 × 10⁻⁹ C × 2.4 × 10⁻⁹ C/3.5 × 10⁻² m

U = 88.56 × 10⁻⁹ Nm²/3.5 × 10⁻² m

U = 25.3  × 10⁻⁷ Nm

U = 2.53  × 10⁻⁶ Nm

U = 2.53  × 10⁻⁶ J

U = 2.53  μJ

b. And if the second particle is released will it move forward or away from the source charge.

It will move away from the source charge since they have the same sign of charge. Since, opposite charges repel.

Answer:2.5 * 10^6 J away

Explanation:Using the equation PE = 9 * 10^9 * q1 * q2 / r,

where q is charge and r is distance. In this case, the equation would be

9*10^9{(4.1* 10^-9) * (2.4*10^9)/0.035} = 2.5 * 10^6. Both are positive, so they will be away.

Answer:

True.

Explanation:

Velocity can be defined as the rate of change in displacement (distance) with time. Velocity is a vector quantity and as such it has both magnitude and direction.

Mathematically, velocity is given by the equation;

[tex]Velocity = \frac{distance}{time}[/tex]

Simply stated, a vector quantity has both magnitude and direction.

Thus, a vector quantity is: A deer running 15 meters per second due west.

Answer:

17.85N

Explanation:

Given data

m= 0.5kg

u= 20m/s

v= 45m/s

t= 0.7second

From

F= mΔv/t

substitute

F=0.5*(45-20)/0.7

F=0.5*25/0.7

F=12.5/0.7

F=17.85

Hence the force is 17.85N

Answer:

11.25 m

Explanation:

From the question given above, the following data were obtained:

Spring constant (K) = 1.2 N/m

Energy (E) = 76 J

Compression (e) =?

Energy stored in a spring is given by the following equation:

E = ½Ke²

Where:

E => Energy stored in the spring.

K => spring constant

e => Extention or compression

With the above formula, we can obtain how much the spring has been squashed as follow:

Spring constant (K) = 1.2 N/m

Energy (E) = 76 J

Compression (e) =?

E = ½Ke²

76 = ½ × 1.2 × e²

76 = 0.6 × e²

Divide both side by 0.6

e² = 76 / 0.6

Take the square root of both side.

e = √(76 / 0.6)

e = 11.25 m

Thus, the spring has been squashed by 11.25 m

Answer:

1y hija de la granja de la granja de la granja de la

Answer:

it maintains balance, it keeps body temperatures , heart rate and all other bodily functions regulated to keep the organism stable when the environment is not.

Answer:

What the other guy said.

Explanation:

Yeah I'm doing this so he can have brainliest.

Answer:

Explanation:

Since the block is at rest in an elevated position, we can assume that it only has potential energy.

U=mgh is the formula for potential energy where U=potential energy, m= mass, g=acceleration due to gravity, and h=height.

Plug in known variables....

U=4kg*9.8m/s^2*20m

U=784 joules of potential energy or letter A.

empty space or vaccum the Electro magnetic wave travels the fastest.

Answer:I can't see the question

Explanation:so i dont konw

Answer:

None, egg cells don't have chromosomes. No, sex cells do have chromosomes. Meiosis reduces chromosome number so that sex cells (eggs and sperm) have a half set of chromosomes–one homolog of each pair. This is the haploid number.

Explanation:

I think holding a flower pot. more energy will be needed

Answer:

Walking, Running , Hopping, Jumping, Leaping

Explanation:

Because they made you move from one place to another

Answer:

0.64

Explanation:

v = d/t

v= 16/25

v= 0.64

Answer:

D

Explanation: this is why they have so much more energy released

During nuclear reactions, there is a loss in mass as some mass of the atoms involved is converted to energy.

Nuclear reactions are reactions which involves changes in the nucleus of of atoms of elements.

Nuclear reactions release a large amount of energy far greater than in chemical reactions.

Nuclear reactions are of two types:

During nuclear reactions, there is a loss in total mass of the particles as some of the mass is converted to energy.

Therefore, in nuclear reactions, some mass of the atoms involved us converted to energy.

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Answer:

对不起，我不知道对不起

Explenation:

The net force acting on the body is 45 N

Force is a vector, vectors are quantities that have both magnitude and direction. We must take the direction of the vector into account when computing the net force.

Since the two forces act in opposite directions, the net force is; 55 N - 10 N = 45 N.

The direction of this force is towards the 55 N force which is the larger force.

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Answer:

C) Mass

Explanation:

The mass of an object divided by its volume equals the density.

Hope this helps!

The term when divided by volume, equals density is known as Mass. Thus, the correct option for this question is C.

Density may be defined as a type of physical property that significantly deals with the description of how much space an object or substance takes up with respect to the amount of matter in that object or substance.

In a more simple sense, it is characterized as the measurement of quantity or mass per unit of volume in a particular substance.

The formula for calculating the density is as follows:

Therefore, the term when divided by volume equals density is known as Mass. Thus, the correct option for this question is C.

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the answer is (a. 21

Answer:the answer it’s A) I just took the test on USATestPrep

Explanation:

Answer:

The Difference between Radio Waves and Infrared Light. According to NASA, radio waves have a longer wavelength than infrared light, in the electromagnetic spectrum. Radio waves are able to reach the earth’s surface, unlike most infrared light.

Explanation:

I hope this helps.

Boiling!

Explanation:

this is when it evaporates

Answer:

Explanation:

A change in an object’s motion—such as Xander speeding up on his scooter—is called acceleration. Acceleration occurs whenever an object is acted upon by an unbalanced force. The greater the net force acting on the object, the greater its acceleration will be, but the mass of the object also affects its acceleration. The smaller its mass is, the greater its acceleration for a given amount of force. Newton’s second law of motion summarizes these relationships. According to this law, the acceleration of an object equals the net force acting on it divided by its mass. This can be represented by the equation:

Acceleration=Netforce-Mass or a=F/m

Answer:

The final equilibrium temperature of the tin-water mixture is approximately 18.468 °C

Explanation:

The parameters of heat energy transfer from the tin to the water are given as follows;

The mass of the sample of tin, m₁ = 0.225 kg

The initial temperature of the tin, T₁ = 97.5 °C

The mass of the water into which the tin is dropped, m₂ = 0.115 kg

The initial temperature of the water, T₂ = 10.0 °C

The specific heat capacity of tin, c₁ = 230 J/(kg·°C)

The specific heat capacity of water, c₂ = 4,200 J/(kg·°C)

Let 'T' represent the final equilibrium temperature of the tin-water mixture, we have;

The heat lost by the tin, ΔQ[tex]_{tin}[/tex] = The heat gained by the water ΔQ[tex]_{water}[/tex]

∴  ΔQ[tex]_{tin}[/tex] = ΔQ[tex]_{water}[/tex]

Where;

ΔQ[tex]_{tin}[/tex] = m₁·c₁·(T₁ - T)

ΔQ[tex]_{water}[/tex] = m₂·c₂·(T - T₂)

By substitution, we have;

ΔQ[tex]_{tin}[/tex] = 0.225 kg × 230 J/(kg·°C) × (97.5°C - T)

ΔQ[tex]_{water}[/tex] = 0.115 kg × 4,200 J/(kg·°C) × (T - 10.0°C)

From ΔQ[tex]_{tin}[/tex] = ΔQ[tex]_{water}[/tex], we have;

0.225 kg × 230 J/(kg·°C) × (97.5°C - T) = 0.115 kg × 4,200 J/(kg·°C) × (T - 10.0°C)

∴ 5,045.625 J - 51.75 J/°C × T = 483 J/°C × T - 4,830 J

5,045.625 J + 4,830 J = 534.75 J/°C × T

∴ 534.75 J/°C × T = 9,875.625 J

T =  9,875.625 J/(534.75 J/°C) = 18.4677419 °C ≈ 18.468 °C

The final equilibrium temperature of the tin-water mixture, T ≈ 18.468 °C.

Answer:

the 4th one

Explanation: