describe liquids and GASSES IN TERMS OF THERE VOLUME AND SHAPES

Energy transfer is inefficient between trophic levels because the energy is lost when one trophic level goes to a higher trophic level.

A trophic level is a collection of species in an ecosystem that are at the same level of the food chain. A food chain has five major trophic levels, each of which has a different nutritional relationship with the basic energy source. The Sun is the primary source of energy in any ecosystem (although there are exceptions in deep-sea ecosystems).

The Sun's solar radiation supplies the energy input for primary producers, also known as autotrophs. Primary producers are often plants and algae that use photosynthesis to make their own sustenance. The first trophic level is made up of primary producers.

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If you are at zero degrees latitude and zero degrees longitude, you are in the Atlantic Ocean.

This location is often referred to as the "Prime Meridian" and is the line of longitude that separates the Eastern Hemisphere from the Western Hemisphere. It is also the starting point for measuring longitude, with longitudes to the east and west being measured in degrees relative to this line. The Prime Meridian intersects the Equator at zero degrees latitude, which is the line of latitude that circles the Earth at 0 degrees North and South and separates the Northern Hemisphere from the Southern Hemisphere.

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I believe the answer for 1) is

PEgrav = mass • g • height

PEgrav = m *• g • h

Answer:Answer:

See diagram for answers. The force and acceleration vectors are directed inwards towards the center of the circle and the velocity vector is directed tangent to the circle.

Explanation:

Answer:

The world would have been blown up by now.

Explanation:

Hypothetically, lets say that someone gave Kim Jong boi a cup of coffee.

He gets mad at the "public servant" since it didn't contain 3 posafa43asdunds of sugar which makes him "big".

The public servant claims they added jfoaj4su38093 units of sugar, which is equivalent to 3 posafa43asdunds.

He gets mad and launches big cannons at Trump since he blames Boe Jiden.

The spring constant is 974.7 N/m

To find the spring constant, you can use the formula for the period of oscillation of a mass-spring system:
\(T = 2\pi \sqrt{m/k\)
where T is the period of oscillation, m is the mass, and k is the spring constant. Given the mass (m) is 5.0 kg and the period of oscillation (T) is 0.45 s, you can rearrange the formula to solve for k:
\(k = m / (T / (2\pi ))^2\)
Now, plug in the values:
\(k = 5.0 / (0.45 / (2\pi ))^2\)
First, calculate the value in the parentheses:
\(0.45 / (2\pi ) ≈ 0.0716\)
Now, square this value:
\(0.0716^2 =0.00513\)
Finally, divide the mass by the result:
k = 5.0 / 0.00513 ≈ 974.7 N/m

Therefore, the spring constant is approximately 974.7 N/m.

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The wheel was accelerating for 160 seconds, and its angular acceleration was \(2\pi radians/s^2\).

To solve this problem, we need to use the equations of rotational motion. The initial angular velocity of the wheel is 160 rev/s, which we can convert to radians per second using the conversion factor 1 rev/s = 2π radians/s:
ω1 = 160 rev/s × 2π radians/rev = 320π radians/s
The final angular velocity of the wheel is not given, so we'll call it ω2. The time it takes for the wheel to undergo angular acceleration is also not given, so we'll call it t. The angular acceleration is denoted by α.
The equation that relates angular acceleration, angular velocity, and time is:
ω2 = ω1 + αt
Substituting the given values, we get:
ω2 = 320π radians/s + αt
To find the value of ω2, we need more information. Let's assume that the wheel undergoes a constant angular acceleration until it reaches a final angular velocity of 320 rev/s. We can convert this to radians per second:
ω2 = 320 rev/s × 2π radians/rev = 640π radians/s
Now we can solve for the time and angular acceleration:
ω2 = ω1 + αt
640π radians/s = 320π radians/s + αt
320π radians/s = αt
t = (320π radians/s) / α
To find α, we use the equation that relates angular acceleration, velocity, and time:
ω2 = ω1 + αt
α = (ω2 - ω1) / t
α = (640π radians/s - 320π radians/s) / [(320π radians/s) / α]
α =\(2\pi  radians/s^2\)
Substituting this value back into the equation for time, we get:
t = (320π radians/s) / (\(2\pi  radians/s^2\)
t = 160 s

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The Froude number is a measure of the ratio of inertial forces to gravitational forces, the given statement is true because the Froude number, represented by the symbol Fr, its characterize the relative importance of inertial forces and gravitational forces in fluid flow.

It is particularly useful in analyzing phenomena such as waves, currents, and the flow of water in rivers, channels, and open bodies of water. By comparing the inertial forces acting on a fluid to the gravitational forces, the Froude number helps determine the flow regime and predict flow behavior. When the Froude number is less than one, gravitational forces dominate, leading to a subcritical flow regime.

Conversely, when the Froude number is greater than one, inertial forces dominate, resulting in a supercritical flow regime. If the Froude number is equal to one, the flow is critical, which indicates a balance between inertial and gravitational forces, this information can be crucial for engineers and scientists studying fluid dynamics to design and manage hydraulic structures, coastal and river engineering projects, and various other applications related to fluid flow. So therefore the given statement is true because the Froude number, represented by the symbol Fr, is a dimensionless quantity used in fluid dynamics to characterize the relative importance of inertial forces and gravitational forces in fluid flow.

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Answer:

The answer is C.

If the temperature of a gas increases, the pressure of the gas will also increase, provided that the volume and the amount of the gas remain constant.

This is known as Gay-Lussac's law or the pressure-temperature law. The law states that the pressure of a fixed amount of gas is directly proportional to its absolute temperature, assuming that the volume is kept constant.

The reason for this behavior is that when the temperature of a gas increases, the average kinetic energy of its molecules also increases, which causes the molecules to move faster and collide with the walls of the container more frequently and with more force.As a result, the pressure exerted by the gas on the walls of the container also increases.

Conversely, if the temperature of the gas decreases, the pressure will also decrease, assuming that the volume and the amount of the gas remain constant.

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The property that the elements in each column of the representative elements series of the periodic table have in common is: number of valence electrons.

An atom can be defined as the smallest unit comprising of matter that forms all chemical elements. Thus, atoms are basically the building blocks of matters and as such determines or defines the structure of a chemical element.

Generally, atoms are typically made up of three distinct particles and these are protons, neutrons and electrons.

Periodic table is an organized tabular array of all the chemical elements arranged in order of increasing atomic number (in rows).

Valence electrons can be defined as the number of electrons present in the outermost shell of an atom. Valence electrons are used to determine whether an atom or group of elements found in a periodic table can bond with others. Thus, this property is typically used to determine the chemical properties of elements.

In the periodic table, chemical elements that are having the same number of valence electrons are found in the same column.

This ultimately implies that, all the chemical elements such as Hydrogen, Sodium, etc., with one (1) valence electrons in their outermost shell (S-orbital) are found in the first (1st) column of the periodic table.

In conclusion, property that the chemical elements in each column of the representative elements series of the periodic table have in common is number of valence electrons.

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All we need to do in order to find out the direction is to take into account the sign of the charge. As they are both positive, the particles will repel each other, which can be seen on the following drawing:

Thus, particle q2 will try to push particle q1 to the left

The answer is: -

Note that the average rate of change will come to 167,738.5 views per day.

Without the number of views at the beginning of the first period and the number of views at the end of July 14, one may not be able to compute the rate of change of the total number of views.

Hence, we had to assume that the number of views at the start of July 12 is 243,500 while the number of views at the end of July 14 is 578,977 views.

To calculate the average rate of change of the total number of views for video 2 between July 12 and July 14, you can use the following formula:

the average rate of change = (ending value - starting value) / time period

In this case, the starting value (as assumed) is 243,500 views, the ending value is 578,977 views, and the time period is 2 days. Plugging these values into the formula gives us:

the Average rate of change = (578,977 - 243,500) / 2 days

= 335,477 / 2 days

= 167,738.5 views/day

Hence, the average rate of change of the total number of views for video 2 between July 12 and July 14 was approximately 167,738.5 views per day.

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Answer:

1 km = 1,000 meters

Explanation:hey im in 7th grade and even i know that.i sorry but you seem not the smartest.jk thats a good question

Answer:

A

Explanation:

because you usually have a function such as    y = 2 x^2 +3x + 6

  or  y = 3x -12   or similar .....y DEPENDS on what 'x' is....

The carbon isotope was cobined with the proton to produce the nitrogen isotope hence it is a fusion reaction.

The term nuclear fusion refers to a kind of reaction in which two nuclei fuse together to give rise to a single nuclei with the evolution of energy.

We can see that the carbon isotope was cobined with the proton to produce the nitrogen isotope hence it is a fusion reaction.

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Answer:

A. Nuclear fusion

Explanation:

got it right, trust

Explanation:

If the displacement of an object is proportional to the square of the time taken then the body is moving with uniformly accelerated motion as it will follow Newton's second equation of motion for a particular initial velocity, which can be given by, s=ut+21at2.

hope this is helpful to you

Race, class, and gender are interconnected identity categories that have an impact on many facets of daily life. The experiences that people have in society are shaped by these groups and their associated influences.

An idea that has been developed and accepted by members of a society is known as a social construct. It portrays the collective wisdom and experiences of a civilization. The way people of a certain culture perceive persons of other races makes the concept of race a social construct.

Because of their physical differences, for example, white people believe that Black people are of a distinct race.

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The visible range is 6.02×10^-7 m.

The refractive index of the oil film is n=1.58

The thickness of the film is , t=286 nm= 286×10^-9 m

2nt=( m+ ½) λ

m=0, 1, 2,.....

Substituting m=0, t and n

2× 1.58 ×(286×10^-9) =(0+½) λ=1.81×10^-6m (This is of infrared range)

Substituting m=1, t and n

2× 1.58 ×(286×10^-9) =(1+½) λ=1.81×10^-6=6.02×10^-7 m, this is visible range

Waves are vibrations that propagate. There are many types of waves such as sound waves, mechanical waves, to electromagnetic waves. All waves have different characteristics.

The physical characteristics of the wave are represented by the wavelength, frequency, amplitude, direction of vibration, and also the direction of propagation. Wavelength is the distance of one wave and is represented by the Greek letter Lambda (λ).

On transverse waves, length can be calculated as the distance from the peak of the wave to the crest of the next wave, or the trough of the wave to the trough of the next. Whereas in longitudinal waves, the wavelength can be calculated from one stretch to the next stretch, or the distance from one density to the next.

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Answer:

here is your answer

Explanation:

here is your answer

The skater does indeed reach the same height on either side of the track With friction turned on.

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Answer:

Explanation:

The gravitational potential energy of a body can be found by using the formula

GPE = mgh

where

m is the mass

h is the height

g is the acceleration due to gravity which is 9.8 m/s²

From the question we have

GPE = 200 × 9.8 × 30 = 58,800

We have the final answer as

Hope this helps you

A fluctuating needle could indicate a variety of issues, including mechanical or electrical problems with the gauge, an issue with the system being measured, or environmental variables affecting the measurement. When a needle is fluctuating, it can be difficult to determine the correct reading. If the needle on the pressure gauge(GP) is fluctuating, read and record the valve located in the center between the high and low extremes.

A pressure gauge is a device that determines and measures the pressure(P) of a gas or liquid in a closed container. A pressure gauge measures pressure by means of a bourdon tube(BT), which is a mechanical system. When pressure is put on it, it deforms. This deformation is calculated by a system of gears and springs and displayed on a dial.

The following are some of the most common types of pressure gauges: Manometer(Mr) is a kind of pressure gauge that works by comparing the pressure of a liquid in a U-shaped tube to the pressure of the gas being measured, which compresses the liquid. Piezometer(Pr) is a form of pressure gauge that works by measuring the weight of the liquid in a container, which is proportional to the pressure being measured. Bourdon Tube: The most common type of pressure gauge is the bourdon tube. It works by comparing the pressure of a gas or liquid in a chamber to a spring inside a tube. Wheel Gauge is a kind of pressure gauge that works by converting pressure into a rotary motion. This rotary motion is measured by a series of gears, which then display the pressure.

What is a fluctuating needle?

A fluctuating needle(FN) is a needle that is not steady on a gauge or instrument.

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Answer: A car heading north collides at an intersection with a truck of the same mass as the car heading east. If they lock together and travel at 28 m/s at 46° north of east just after the collision, then the car initially traveling with a velocity of 40.28m/s.

Explanation: To find the answer, we need to know more about the Perfectly inelastic collision.

               \(m_1v_1+0=(m_1+m_2)v_2\\\)

               \(mv_1=(m+m)28 sin46\\v_1=2*28*0.719=40.28 m/s\)

Thus, we can conclude that, the initial velocity of the car will be 40.28m/s.

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Answer:

C

Explanation:

Answer:

A

because volcano can produce sediment and

erodus rock

Answer:

The Neptune

Explanation: Hope it helps you :))))

Have a good day

To take a photo of myself with a classic camera while standing 1.3 m from a mirror, I would need to choose a distance of 2.6 m. This is because the light that reflects off of me travels the same distance to the mirror as it does from the mirror to the camera. Therefore, the distance from the mirror to the camera needs to be twice the distance from myself to the mirror.

It is important to select the correct distance when using a classic camera to ensure that the subject is in focus. If the distance is too close or too far, the subject may appear blurry or out of focus.

When using a camera, the distance between the subject and the lens is a critical factor in determining the clarity and focus of the image. The distance affects the angle of view, depth of field, and the amount of light that enters the camera. Selecting the right distance for the subject can make a huge difference in the quality of the final image.

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Answer:

1. a 2.c 3 b

Explanation:

Answer:

3=b 2=c 1=a

Explanation: