about how many middle school students were surveyed for this graph?

The correct answer is 12x+7 as when you multiply these two numbers they cancel each other out

The water budget equation for the Creek drainage basin is: Precipitation = Stream discharge + Evapotranspiration ± Change in storage.

To develop the water budget equation for this problem, we need to account for the inputs and outputs of water in the Creek drainage basin. The water budget equation can be expressed as,

P = Q + ET ± ΔS

P = Precipitation input (mm)

Q = Stream discharge (m³/s)

ET = Evapotranspiration (mm)

ΔS = Change in storage (mm)

First, let's convert the units of the given values,

Precipitation input (P) = 550 mm

Stream discharge (Q) = 1.8 m³/s

Now, let's determine the evapotranspiration (ET) and change in storage (ΔS) terms. However, the problem doesn't provide information about ET, so we cannot calculate it accurately. The problem doesn't provide information about ΔS, so we cannot calculate it accurately.

Given these limitations, we can write the simplified water budget equation for this problem,

550 mm = 1.8 m³/s + ET ± ΔS

Please note that without information about evapotranspiration and changes in storage, we cannot fully determine the water budget for the Creek drainage basin.

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Displacement of diver , d = 6000-1260 = 4740 m.

Let, time taken be t .

By equation of motion :

\(v^2-u^2=2gs\\\\v=\sqrt{2gs}\\\\v=\sqrt{2\times 9.8\times 4740}\ m/s\\\\v=304.8\ m/s\)

Now , by equation :

v = u +gt

304.8 = 0 + 9.8t

t = 31.1 seconds

Hence, this is the required solution.

Answer:

A-to determine how tempreture affects bounce height.

The 2.00-kilogram object weighs 19.6 newtons on Earth, its weight on the Mars is 2.00 kg.

The mass is known as the amount of matter which is contained in a body.  It is a property which is consistent in a body regardless of the body's current location, gravitational pull and various other factors which exist.

Mass and weight are two separate quantities. Weight is computed as a product of mass and acceleration. Mass has a property to remain constant and it means that whether the object is on any planet, irrespective of that, it will be constant. The mass remains the same that is 2.00 kg.

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Planetary geology is the study of the formation and evolution of the bodies in our solar system.

Planetary Geology is a scientific discipline that combines aspects of geology, astronomy, and cosmology to investigate the processes that have shaped the planets, moons, asteroids, and other celestial objects. Unlike astrology, which focuses on the influence of celestial bodies on human affairs, planetary geology is grounded in empirical observations and scientific principles.

Researchers in this field analyze data from telescopes, space missions, and sample return missions to understand the geologic history of various solar system bodies. They study phenomena such as volcanic activity, tectonics, impact cratering, and the presence of water and other volatile elements to gain insight into the origins and development of our planetary neighbors. Furthermore, this knowledge helps scientists better comprehend Earth's geological past and present, as well as identify potential resources and hazards for future space exploration.

In summary, planetary geology is an essential scientific discipline that seeks to unravel the complex geologic histories of the celestial bodies in our solar system, drawing from the fields of geology, astronomy, and cosmology to provide a comprehensive understanding of the processes that have shaped our cosmic environment.

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The escape speed of the rocket from the Earth's Moon is 2,375.43 m/s.

The escape speed for a rocket to leave Earth's Moon is calculated by applying the following formula.

v = √ ( 2GM / r )

where;

The escape speed of the rocket from the Earth's Moon is calculated as;

v = √ ( 2 x 6.67 x 10⁻¹¹ x 7.36 x 10²² / 1,740,000 )

v = 2,375.43 m/s

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Answer:

The force of friction that the driveway exerts on the ladder ≈ -176.03 N

Please see attached force diagram created with MS Visio

Explanation:

The height of the house painter above the ground = 3.00 m

The length of the ladder = 5.00 m

The height above the ground at which the ladder leans on the wall = 4.70 m

The weight of the painter = 676 N

The weight of the ladder = 107 N

The angle of inclination of the ladder, arcsin(4.7/5) ≈ 70.05°

For equilibrium, the sum of moments at a point, ∑M = 0

Taking moment about point A gives;

4.7 × R = 107 × 2.5 × cos(arcsin(4.7/5)) + 676 × 3.0/(tan(arcsin(4.7/5)))

R = (107 × 2.5 × cos(arcsin(4.7/5)) + 676 × 3.0/(tan(arcsin(4.7/5))))/4.7 ≈ 176.03

The reaction force at the top of the ladder, R ≈ 176.03 N

For equilibrium, we have;

The sum of the horizontal forces, ∑Fₓ = 0

The reaction at the top of the ladder, R + The force of friction that the driveway exerts on the bottom of the ladder, \(F_R\) = 0

R + \(F_R\) = 0

∴ R = \(-F_R\)

R ≈ 176.03 N = \(-F_R\)

∴ \(F_R\) = -176.03 N

Therefore, the force of friction that the driveway exerts on the bottom of the ladder, \(F_R\) ≈ -176.03 N (acting away from the wall).

The International System of Units is the modern form of the metric system. It is the only system of measurement with an official status in nearly every country in the world.

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Answer:

Every rock is somewhere in the rock cycle. The story of the rock is the story of rock cycle: where the rock is now on the rock cycle, the path it took on the rock cycle to get to where it is now, and the path on the rock

Explanation:

This is the answer i put it and it worked if it didn't work for you that's because you lesson or teacher was doing it in a different way.

Answer:

The rock cycle, illustrated in Figure below, depicts how the three major rock types – igneous, sedimentary, and metamorphic - convert from one to another. Arrows connecting the rock types represent the processes that accomplish these changes.

Explanation:

Since each color is refracted at a slightly different angle, the result is that the light splits into band of colors.

hope this helps!

Addition of vectors is done by adding the components of the vectors

The total speed of the fan  is approximately 9.43 m/s,

Direction of total wind 58° counterclockwise from the positive x-axis

The reason the value is correct is as follows:

The given parameters are:

The direction at which the fan blowing at 5 m/s is blowing = Easterly

The direction in which the fan blowing 8 m/s is blowing = Northerly

The total speed of the van, |v| ≈ 9.43 m/s

Required:

To find the total wind speed of the fans

Solution:

Taken the easterly direction as the ith component, and the northerly direction as the jth component,  the vector representing the speed of the fan is presented as follows

v = 5·i + 8·j

The magnitude of the total wind speed of the fan, |v| = √(5² + 8²) = √(89) ≈ 9.43

The total wind speed of the fan , |v| ≈ 9.43 m/s

The direction of the total speed with respect to the x-axis, θ, is given as follows;

θ = arctan(8/5) ≈ 58°

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If a muon is observed to travel 800 m before disintegrating and if its lifetime is (2 x 10-6 s), then the speed of the muon is 400,000,000 m/s.

What is the relation between speed, distance and time?

To find the speed of the muon, we need to use the formula:

distance = speed x time

We are given the distance traveled by the muon before disintegrating, which is 800 m. We also have the lifetime of the muon, which is 2 x 10^-6 s.

To find the speed, we need to rearrange the formula:

speed = distance / time

Substituting the values we have:

speed = 800 m / (2 x 10^-6 s)

simplifying:

speed = 400,000,000 m/s

Therefore, the speed of the muon is 400,000,000 m/s.

Note: This speed is close to the speed of light, which is 299,792,458 m/s. It is not uncommon for particles to travel at very high speeds in experiments such as this.

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Answer:

Therefore, the temperature at which the Fahrenheit scale reading is equal to half of the Celsius scale is −24.6∘C .

Answer:

Option C is the correct statement.

Explanation:

Both coal-fired power plants and solar thermal power plants use a heat source to create steam, which then drives a turbine to generate electricity. In a coal-fired power plant, the heat is generated by burning coal to produce steam. In a solar thermal power plant, mirrors or lenses are used to concentrate sunlight onto a fluid, which is then heated to produce steam.

Option A is incorrect because coal is a non-renewable resource, while solar thermal power plants utilize renewable solar energy. Option B is incorrect because the conversion efficiency of coal-fired power plants is typically much lower than that of solar thermal power plants. Option D is partially correct, as coal-fired power plants are a major source of greenhouse gas emissions, while solar thermal power plants do not emit greenhouse gases during operation.

The magnitude of the linear acceleration of the pack can be calculated using the following equation:a = (T - Fr) /m where a is the magnitude of the linear acceleration of the pack,T is the tension force of you on the pulley,Fr is the frictional force, and m is the mass of the pack.Substitute the given values to the formula:a = (T - Fr) / ma = (266.3 - Fr) / 23.4.

The frictional force can be determined using the moment of inertia of the pulley.I = mr²I = 2.85 kg-m²m = I / r²m = 2.85 / 0.43²m = 15.57 kgFr = maFr = 15.57 × aa = (266.3 - 15.57a) / 23.4Solve for a by multiplying both sides by 23.4:23.4a = 266.3 - 15.57a23.4a + 15.57a = 266.3a = 266.3 / 39.97a = 6.66 m/s².

Therefore, the magnitude of the linear acceleration of the pack is 6.66 m/s².If instead of using a pulley with two radii, you were to replace the two radii pulley with a simple pulley of one radius, it will be harder to hold the pack.

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Answer:

yes it is a reactant

Answer:

C

Explanation:

So, lets start off by thinking about what we know is in both cells, and rule out from there.

There are just some basic things you need in eukaryotic cells, those include the following:

Here are jsut a few examples of what can be found in both plant and animal cells, however we can already rule out all of the following except for:

C

Because remember, c talks about the chlorplast, which is not the chlorplasm found in both plant anf animal cells, its just the chloroplast found in plant cells.

Although I gave the asnwer to you. Here are some things that are in plant cells that arent in animal cells:

Animal cells on the other hand, have a few things that plant cells do not as well:

Hope this helps! ;)

The correct option is D) Negative

The negative charges pass on to the electroscope due to induction which causes the electroscope leaves to move further apart.

Induction refers to the process of producing an electromotive force (EMF) in a conductor due to a change in the magnetic field around it. This principle is known as Faraday's Law of Induction. The EMF produced by induction can be used to generate an electric current in a conductor. Induction is the basis for the operation of transformers, generators, and many other electrical devices.

In the process of induction, a changing magnetic field is produced when a current is flowing through a wire. This changing magnetic field induces a voltage in a nearby conductor. If the conductor is part of a closed circuit, an electric current will flow, creating an electromotive force.

Therefore, The correct option is D) Negative

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The acceleration of the particle after 1 minute is \(18 units/min^2.\)

To find the acceleration, we need to differentiate the position function twice with respect to time.

Given:

\(s(t) = 2t^3 + 3t^2 + t\)

To find the velocity, differentiate s(t) with respect to t:

\(v(t) = d/dt [2t^3 + 3t^2 + t]\)

\(v(t) = 6t^2 + 6t + 1\)

To find the acceleration, differentiate v(t) with respect to t:

\(a(t) = d/dt [6t^2 + 6t + 1]\)

\(a(t) = 12t + 6\)

Now, substitute t = 1 to find the acceleration after 1 minute:

\(a(1) = 12(1) + 6\)

\(= 12 + 6\)

\(= 18\)

Therefore, the acceleration after 1 minute is \(18 units/min^2\)

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Answer:

\(750\; {\rm m\cdot s^{-1}}\).

Explanation:

The distance between two adjacent nodes of a standing wave is equal to one-half (that is, \((1/2)\)) the wavelength of this wave.

Let \(\lambda\) denote the wavelength of the standing wave in this question. The distance between two nodes of this wave is \(0.25\; {\rm m}\), meaning that \((1/2)\, \lambda = 0.25\; {\rm m}\). Thus, \(\lambda = 2 \times 0.25\; {\rm m} = 0.50\; {\rm m}\).

Given that \(f = 1500\; {\rm Hz}\) is the frequency of the waves that formed this standing wave, the speed of these waves would be:

\(\begin{aligned}v &= \lambda\, f \\ &= 0.50\; {\rm m} \times 1500\; {\rm Hz} \\ &= 0.50\; {\rm m} \times 1500\; {\rm s^{-1}} \\ &= 750\; {\rm m\cdot s^{-1}}\end{aligned}\).

Answer:

Sometimes you can see light from the Sun passing through clouds and the sunbeams appear as straight lines. After light has been reflected off an object, such as a tree or a book, it still travels in straight lines, but in a new direction.

Explanation:

Answer:

It is an essential concept of physics. In sports momentum term is commonly used. Like, if a team has the momentum then it is on the move and is going to take some effort to stop. But if a team has lot of momentum then it is really on the move and is going to be hard to stop

Explanation:

Answer:

If the length of the pendulum string increases, the period of time increases

Explanation:

The period of a simple pendulum is directly proportional to the square root of length of the pendulum

The maximum height reached by the ball from the point of projection is 4.9 m.

The maximum height reached by the ball from the point of projection can be calculated from time of motion.

h = vt + ¹/₂gt²

Assuming;

h = 0 + ¹/₂gt²

h = 0 + ¹/₂(9.8)(1)²

h = 4.9 m

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Answer:

D.

Driving and talking on any type of cell phone increases the chance of missing traffic signals.

Explanation:

correct on edge2021

Answer:

the answer is d thank me later

Explanation:

The most common method used to measure the amperage in a circuit is by using an ammeter.

An ammeter is a device specifically designed to measure electric current. It is connected in series within the circuit, meaning the current flows through the ammeter itself.

The ammeter measures the current by detecting the magnetic field generated by the flowing electrons.

The strength of the magnetic field is proportional to the current, allowing the ammeter to provide an accurate reading of the amperage in the circuit.

Ammeters are available in various types, such as analog or digital, and they are widely used in electrical and electronic systems for measuring and monitoring current flow.

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Electromagnetic spectrum  make up themicrowaves, infrared waves, visible spectrum, ultraviolet waves, X-rays, and gamma rays.

all electromagnetic radiation, broken down into wavelengths or frequencies. Although electromagnetic waves have a wide range of frequencies, wavelengths, and photon energies, all electromagnetic waves propagate in a vacuum at the speed of light. The entire range of electromagnetic radiation is represented by the electromagnetic spectrum, which also includes numerous subranges, or portions, such as visible light and ultraviolet radiation. The various components have different names based on variations in the emission, transmission, and absorption of the corresponding waves as well as the various applications in real life. The ranges frequently overlap because none of these contiguous portions has boundaries that are widely accepted.

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Answer:

You need to provide the question and (if it has them) answer options for the question. Once you have done that, delete my response so I may be able to answer your question faster than normal.

Explanation: