at one point in the pipe, the radius is 0.160 mm . what is the speed of the water at this point if the volume flow rate in the pipe is 1.20 m3/sm3/s .

Answer:

Explanation:

The speed of the rocket can be found by using the formula

\(v = \frac{d}{t} \\ \)

d is the distance

t is the time taken

From the question we have

\(v = \frac{9000}{12} \\ \)

We have the final answer as

Hope this helps you

Answer:750m/s

Explanation:I got 750m/s :D Hopefully this helped! lol

Bowman's capsule is a part of the nephron, which is responsible for filtering the blood and producing urine. The hydrostatic pressure in Bowman's capsule is an important factor that determines the rate at which blood is filtered. If the hydrostatic pressure in Bowman's capsule were to increase above normal, it would lead to a decrease in the rate of blood filtration.

This is because the increased pressure would make it more difficult for blood to flow into the capsule. The net result of this would be a decrease in the amount of urine produced.

There are several conditions that can lead to an increase in the hydrostatic pressure in Bowman's capsule. One of the most common causes is high blood pressure. When blood pressure is high, it puts more pressure on the walls of the blood vessels, including those in the kidney. This can cause the pressure in Bowman's capsule to increase, leading to a decrease in the rate of blood filtration.

Other conditions that can lead to an increase in the hydrostatic pressure in Bowman's capsule include kidney disease and inflammation. These conditions can damage the nephron and cause fluid to build up in the capsule, which can increase the pressure.

In summary, an increase in the hydrostatic pressure in Bowman's capsule would lead to a decrease in the rate of blood filtration and a decrease in the amount of urine produced. This can be caused by a number of conditions, including high blood pressure, kidney disease, and inflammation.

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Answer:

The horizontal component of the velocity of the helicopter is approximately 77.82 m/s

Explanation:

The given parameters are;

The speed of the helicopter, v = 95 m/s

The angle in which the helicopter is flying = 35° to the ground

The horizontal component of the velocity is given by the component of the magnitude, R, of the velocity of the helicopter in the x-direction as follows;

\(v = \sqrt{v_x^2 + v_y^2}\)

Where;

vₓ = v × cos(θ) = The horizontal component

\(v_y = v \times sin(\theta)\) = The vertical component

∴ The horizontal component of the velocity, vₓ, of the helicopter with 95 m/s velocity moving at an angle of 35° to the horizontal is given as follos

vₓ = 95 × cos(35°) ≈ 77.82 m/s

The horizontal component of the velocity of the helicopter ≈ 77.82 m/s.

The time taken by Kamal's family to drive on the second day is 6.45 hours.

What is speed?

Speed is defined as the ratio of the time it takes for a body to cross a distance to the time it takes.

The time is calculated as:-

For 4 hours of driving at an average speed of 60 miles per hour, the distance covered is,

d = 60 x 4 = 240miles

Miles remaining for the second day is,

627 - 240 = 387 miles

Time taken to cover 387 miles second day is,

T = 387 / 60 = 6.45 hours

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Each element's spectra are distinct because each element has a different amount of electrons and hence various energy levels.

Astronomers can identify not only the element, but also the temperature and density of that element in the star, using spectral lines. The spectral line can also inform us about the star's magnetic field. The line's width can tell us how rapidly the material is travelling. This teaches us about the winds in the stars. Because the emission spectrum differs for each element of the periodic table, it may be used to establish the composition of a substance. One example is astronomical spectroscopy, which involves analyzing received light to determine the composition of stars. Since various elements contain varying quantities of protons and varied numbers and configurations of electrons, their spectra differ. Differences in spectra indicate variances in the amount of energy absorbed or released by atoms when their electrons travel between energy levels.

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The height to which the spans rise when they buckle is 0.0222 m.

A material will expand more as a result of being heated if its coefficient of thermal expansion is larger.

The phenomena known as thermal expansion can be seen in solids, liquids, and gases. In this procedure, the application of heat causes an object or body to expand (temperature). The term "thermal expansion" refers to an object's propensity to change its dimensions as a result of heat, including length, density, area, and volume.

The following formula can be used to determine the height to which the spans rise when they buckle:

ΔL = LαΔT

where ΔL = change in length,

L = original length,

α = coefficient of thermal expansion,

ΔT = change in temperature

the length of the bridge = 370 m,

the coefficient of thermal expansion = 1.2 × 10^-5 (°C)^-1,

the change in temperature = 20°C.

The change in length of each span is,

ΔL = LαΔT = (370/2)(1.2 × 10^-5)(20)

    = 0.0444 m

Since there are two spans, the total change in length is 0.0888 m.

h = ΔL/2 = 0.0444/2

   = 0.0222 m

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The improvements in the quality of consumer goods and services over time are accounted for in the CPI but are often seen as insignificant. However, this can lead to the CPI understating actual inflation. As consumer goods and services improve in quality, their prices tend to increase, which can lead to an increase in inflation.

However, the CPI does not always reflect this increase accurately, leading to an understatement of actual inflation. For example, if a new smartphone is released with improved features and a higher price than its predecessor, the CPI may only reflect the increase in price and not the improved quality, leading to an understatement of inflation. Therefore, it is important to consider the quality of consumer goods and services when calculating the CPI to ensure that it accurately reflects actual inflation.

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41kg object that is moving east at 5 m s

Answer:

41kg object that is moving east at 5 m s

Explanation:

The object with the highest mass is the one on planet D. This is because mass is a measure of the amount of matter an object contains, and is not affected by gravity. Therefore, although the weight of the object on planet D is lower than that of the other planets, its mass remains the same.

Weight, on the other hand, is a measure of the gravitational force acting on an object. Therefore, the weight of an object will vary on different planets due to different gravitational forces. As shown in the drawings, the object on planet A has the greatest weight, but nevertheless the greatest mass.

In summary, the object with the greatest mass is on planet D, while the object with the greatest weight is on planet A.

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Answer:

The graph would increase constantly as shown above until it reached 50m/s. At 10s, the graph would be flat at 50m/s until 20s.

Explanation:

Answer:

Coal is fossil fuel extracted from earth and since it takes a long time to replenish, it is called a non renewable source of energy

Explanation:

Coal is formed from the fossil fuel that lie deep beneath the earth crust . These fossil fuels are dead remains of living organism that burried beneath the earth crust million of years ago.

Coal is non renewable because if once it gets depleted it will take a very very long time to replenish.

Answer: Coal is fossil fuel extracted from earth and since it takes a long time to replenish, it is called a non renewable source of energy

Explanation: just did it

Answer:

Information Literacy is the set of skills needed to recognize what information is needed and evaluate, find, and use information effectively and responsibly.

Explanation:

Answer: Frictional force is when it happens on purpose and normal force is when it happens normal and you are not trying to make it happen on purpose.

Explanation: friction happens on purpose and sometimes you can't control friction but friction is an important thing.

Answer: C) waves

Explanation: According to Dutch scientist Christiaan Huygens, light is made of waves.  Huygens proposed the wave theory of light in the 17th century, which stated that light travels as a wave through a medium, such as air or water.

Huygens observed that light waves can be diffracted, refracted, and reflected, which supported his theory.  He believed that these wave phenomena could be explained by the interaction of tiny, spherical wavelets emitted by light sources.

Huygens' wave theory of light was later supported and further developed by other scientists, including Thomas Young and Augustin-Jean Fresnel.  It provided a basis for understanding various optical phenomena, such as interference and diffraction patterns.

While Huygens' wave theory of light was significant, it was later superseded by the electromagnetic theory of light proposed by James Clerk Maxwell.  This theory unified the understanding of light as both a wave and an electromagnetic wave, and it is widely accepted today.

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The supply of energy and of each needed chemical element restricts a system operation -- for example , without inputs of energy ( sunlight ) and matter ( carbon dioxide and water ) , a plant cannot grow. Hence , it is very informative to track the transfers of matter and energy within , into , or out of any system under study.

Hope it helps

Scientists track the energy in a system for analyzing and comparison of  the efficiencies of the different systems, to know whether one system has some advantage over another

Thermal energy also referred to as heat energy, can be described as the type of energy in which heat is transmitted from one body to another body as a result of its molecular movements.

The accepted unit for calculating energy is the joule (J). The unit of measurement for electric energy known as the kilowatt-hour (kWh) should be mentioned among the most popular ones (in fact it is used to calculate electricity bills). The Terawatt/hour (TWh), or one billion kW/h, is used to determine a large power plant's production or a nation's consumption.

Thus, To analyze and compare the efficiencies of various systems and determine whether one system has an advantage over another, scientists monitor the energy in a system.

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Answer:

25.48

Explanation:

Answer:

A light-year is the distance light travels in one year. How far is that? Multiply the number of seconds in one year by the number of miles or kilometers that light travels in one second, and there you have it: one light-year. It's about 5.88 trillion miles (9.5 trillion km).

Explanation:

Answer:

The correct choice is A. She should just create a long-term goal.

Explanation:

The resources that we value—time, money, labor, tools, land, and raw materials—exist in limited supply. There are simply never enough resources to meet all our needs and desires.

Explanation:

Time, money, labor, land , and raw materials

That depends on what word you skipped at the beginning of the question.

If it's supposed to be "Potential" energy, then the statement is false.**

If It's supposed to be "Kinetic" energy, then the statement is true.

** It's also false if the missing word is "Chemical", "Mechanical", "Thermal", "Nuclear", "Electrical", "Electromagnetic", or "Nervous".)

Answer:

4.71 m/s

Explanation:

40.5:8.6= 4.71

Answer:

Gravity    (perhaps)

Explanation:

Without a further description or a diagram, I would guess the downward force would be gravity.

Gravity exerts a downward pull on the book with a magnitude of 5 n. the correct answer would be option (A) gravity.

The attraction that the earth, moon, or other immensely big object has on another object is referred to as gravity. By definition, this is the object's weight. Gravity affects all items on Earth and is directed "downward" towards the earth's center. On Earth, gravity gives physical objects weight, while the Moon's gravity causes sublunar tides in the seas (the corresponding antipodal tide is caused by the inertia of the Earth and Moon orbiting one another).

Gravity also plays a significant role in biology, such as regulating plant development through gravitropism and controlling fluid circulation in multicellular animals.

According to research into the consequences of weightlessness, gravity may have a role in immune system function and cell differentiation inside the human body.

Thus, Gravity exerts a downward pull on the book with a magnitude of 5 n.

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The complete question would be as:

A downward force of magnitude 5 n is exerted on the book by the force of downward force of magnitude 5 n is exerted on the book by the force of the table.

A. gravity

B. inertia

C. momentum

D. acceleration

The time cat will take to run 5.5km is 55.89 minutes.

according to given details,

distance = 13.1m

time = 8 s

speed = ?

distance (b) = 5.5km = 5500m

time = ?

speed = ?

So by using formula,

speed = distance / time

speed = 13.1m/8s

speed = 1.64 m/s

As now we have speed using same formula

s = d / t

t = d / s

t = 5500m / 1.64 m/s

t = 3,353.65 sec

t = 55.89 minutes

Speed is calculated as distance times speed. You need to be aware of the units for distance and time in order to calculate the units for speed. The units in this example will be metres per second (m/s), since the distance is measured in metres (m) and the time is measured in seconds (s).

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Answer:

970 kN

Explanation:

The length of the block = 70 mm

The cross section of the block = 50 mm by 10 mm

The tension force applies to the 50 mm by 10 mm face, F₁ = 60 kN

The compression force applied to the 70 mm by 10 mm face, F₂ = 110 kN

By volumetric stress, we have that for there to be no change in volume, the total pressure applied by the given applied forces should be equal to the pressure removed by the added applied force

The pressure due to the force F₁ = 60 kN/(50 mm × 10 mm) = 120 MPa

The pressure due to the force F₂ = 110 kN/(70 mm × 10 mm) = 157.142857 MPa

The total pressure applied to the block, P = 120 MPa + 157.142857 MPa = 277.142857 MPa

The required force, F₃ = 277.142857 MPa × (70 mm × 50 mm) = 970 kN

The given statement "Formula for conservation of internal kinetic energy (works for elastic collisions) is: ΣKEi=ΣKEf (use 1/2mv² for each object in the system)" is TRUE because the initial kinetic energy of the system is equal to the final kinetic energy of the system.

The formula for conservation of internal kinetic energy states that the initial kinetic energy of a system is equal to the final kinetic energy of the same system in an elastic collision.

This formula can be expressed as ΣKEi=ΣKEf, where ΣKEi is the sum of the initial kinetic energy of all objects in the system, and ΣKEf is the sum of the final kinetic energy of all objects in the system.

In this formula, the mass and velocity of each object in the system are taken into account using the formula 1/2mv² for kinetic energy.

It is important to note that this formula only works for elastic collisions, where there is no loss of kinetic energy due to friction or other forces.

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Approximately 47.37% of the soil volume is pore space, and approximately 52.63% is solid particles.

To calculate the percentage of pore space and solid particles in the soil volume, we can use the following formula:

Pore space percentage = ((Particle density - Bulk density) / Particle density) x 100

Solid particles percentage = 100 - Pore space percentage

Given:

Bulk density = 1.4 Mg/m³

Particle density = 2.66 Mg/m³

Substituting the values into the formulas:

Pore space percentage = ((2.66 - 1.4) / 2.66) x 100

Solid particles percentage = 100 - Pore space percentage

Calculating the values:

Pore space percentage ≈ 47.37%

Solid particles percentage ≈ 52.63%

Therefore, approximately 47.37% of the soil volume is pore space, and approximately 52.63% is solid particles.

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Answer: A red light is reflected

Explanation:

Answer:

Explanation:

0 m/s^2 is the answer

Answer:

Zero

Explanation:

Constant speed involves zero acceleration  ( which is a change in speed)

which direction and with what amount of force you must move If a 25 kilogram block slides down a flat plane inclined at a 30 degree angle, the force applied is 126.18 N.

The term "force" is defined precisely in science. The terms "push" and "pull" are perfectly acceptable at this level to describe forces. An object does not have a force inside of it or within it.. Both living things and non-living things can be considered to be part of a force.

m = 25 kg and equals 31 degrees.

Normal reaction just on block is mgcos mgsin acts downward on the block, and this is the force that causes its acceleration. If the acceleration must be reduced, then an opposite and equal force must be applied to the block, namely an upward force with a magnitude of mgsin = (25)*(9.8)*(sin 31) = 126.18 N.

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