What effects the amount of lift a plane gets?
Detailed answer pls!!! I will give brainliest!!! 10 pts!!!

The correct answer is option B. It travels up and down. Transverse waves are characterized by the fact that they cause particles in the medium to move perpendicular to the direction of wave propagation.

Transverse waves are a type of wave that causes the particles of the medium to move up and down or side to side as the wave passes through them.

The other options are not right because:

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In optics, the focal length is the distance between the center of a lens or curved mirror and its focal point. It is a crucial parameter in determining the behavior of light rays as they pass through or reflect off a lens or mirror.

To experimentally measure the focal length of a lens or mirror, one common method is to use the thin lens equation, which relates the focal length to the distance between the object and image and the distance between the lens/mirror and the object/image.

If the distances between the object and image and the lens/mirror and object/image are known, the focal length can be calculated using the equation.

However, sometimes only two conjugate positions of an object and its image are known, but not the distances between them and the lens/mirror.

In this case, the average focal length can be calculated from the two conjugate positions, using the equation:

1/f_avg = (1/f_1 + 1/f_2) / 2

where f_1 and f_2 are the focal lengths calculated from the two conjugate positions.

By using this formula, we can experimentally determine the average focal length of the lens/mirror.

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Answer:

sunlight

Explanation:

Photosynthesis is made possible by energy from the sun.

While most stars have a similar chemical composition, the differences in their spectra arise from variations in temperature, pressure, and elemental abundances.

The temperature of a star determines the amount and type of radiation it emits, which affects the appearance of its spectrum. Different pressures in a star can also affect the behavior of atoms and molecules in its atmosphere, leading to changes in its spectral lines. Additionally, some stars may have a higher abundance of certain elements, which can create distinctive spectral features. These factors, among others, contribute to the unique appearance of a star's spectrum, allowing astronomers to learn more about its physical properties and composition.

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Generational wealth is a kind of asset that passes from one generation to another. It gives freedom to think and live.

The History of Jews in the United States is one of the racial changes that provides insight into the race in America. American Jews of different eras have ethnoracial identities.

Generational wealth is a kind of asset that is passed down from one generation to the other. The first generation enjoys the property of the family and then it passes to their children.

From generational wealth, a person can gain financial freedom to live. By investing in real estate and the stock market, and by creating various income of sources, we can create generational wealth.

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Answer:

-5.86secs

Explanation:

Using the equation of motion;

vy (final) = vy(initial) + gt

Substitute

0.0 = 57.45 + 9.81t

-57.45 = 9.81t

t = -57.45/9.81

t = -5.86secs

Hence the value of t is  -5.86secs

The value of t will be 5.86 seconds

when a body is thrown upward with an initial velocity \(v_{y}(initial)\) the equation on motion is written as:

          \(v_{y}(final)= v_{y}(initial)-gt\)

where g is the acceleration due to gravity which is 9.8 m/\(s^{2}\) acting opposite to the direction of motion and t is the time taken

          \(v_{y}(final)- v_{y}(initial)=-gt\)

         ⇒ \(0-57.45=-9.8t\)

         ⇒ t = 57.45/9.8

           t = 5.86 s

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The object's velocity accelerating from rest from the applied force and time is closest to 4 m/s.

The velocity of the object can be determied by applying Newton's second law of motion as shown below;

F = ma

where;

The acceleration of the object is calculated as follows;

a = F/m

at time, t 4.0 s, the corresponding force = 2 N

a = 2/2

a = 1 m/s²

Velocity of the object is calculated as;

v = u + at

v = 0 + 1 x 4

v = 4 m/s

Thus, the object's velocity accelerating from rest from the applied force and time is closest to 4 m/s.

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Answer:

one fourth of accelerattion, its obvious

Explanation:

A specific net force is applied to an object, and it causes a certain acceleration. If the same net force is applied to a new object with four times the mass, the acceleration of the more massive object would be one-fourth of the initial acceleration.

Newton's Second Law states that The resultant force acting on an object is proportional to the rate of change of momentum.

The mathematical expression for Newton's second law is as follows

F = m × a

As given in the problem statement if a specific net force is applied to an object, it causes a certain acceleration. If the same net force is applied to a new object with four times the mass,

Since the force is the same and the mass is four times the initial mass, the acceleration would be one-fourth of the initial acceleration.

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The ratio of time of flight for inelastic collision to elastic collision is 1:2

The given parameters;

Considering inelastic collision, the final velocity of the system is calculated as;

\(m_1u_1 + m_2u_2 = v(m_1 + m_2)\\\\m_1u_1 + 0 = v(m_1 + m_2)\\\\v= \frac{m_1u_1}{m_1 + m_2} \ -- (1)\\\\\)

The time of motion of the system form top of the table is calculated as;

\(v = u + gt\\\\v = 0 + gt\\\\v = gt\\\\t= \frac{v}{g} \\\\t_A = \frac{m_1u_1}{g(m_1 + m_2)} \ \ ---(2)\)

Considering elastic collision, the final velocity of the system is calculated as;

\(m_1u_1 + m_2 u_2 = m_1v_1 + m_2v_2\\\\m_1u_1 + 0 = m_1v_1 + m_2v_2\\\\m_1 u_1 = m_1v_1 + m_2v_2\)

Apply one-directional velocity

\(u_1 + (-v_1) = u_2 + v_2\\\\u_1 -v_1 = 0 + v_2\\\\v_1 = v_2 -u_1\)

Substitute the value of \(v_1\) into the above equation;

\(m_1u_1 = m_1(v_2 - u_1) + m_2 v_2\\\\m_1u_1 = m_1v_2 -m_1u_1 + m_2v_2\\\\2m_1u_1 = m_1v_2 + m_2v_2\\\\2m_1u_1= v_2(m_1 + m_2)\\\\v_2 = \frac{2m_1u_1}{m_1+ m_2} \ --(3)\)

where;

\(v_2\) is the final velocity of the block after collision

Since the bullet bounces off, we assume that only the block fell to the ground from the table.

The time of motion of the block is calculated as follows;

\(v_2 = v_0 + gt\\\\v_2 = 0 + gt\\\\t = \frac{v_2}{g} \\\\t_B = \frac{v_2}{g} \\\\ t_B = \frac{2m_1u_1}{g(m_1 + m_2)} \ \ ---(4)\)

The ratio of time of flight for inelastic collision to elastic collision is calculated as follows;

\(\frac{t_A}{t_B} = \frac{m_1u_1}{g(m_1 + m_2)} \times \frac{g(m_1 + m_2)}{2m_1u_1} \\\\\frac{t_A}{t_B} = \frac{1}{2} \\\\t_A:t_B = 1: 2\)

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Explanation: Research highlights the individuals with ASDS are nutritionally vulnerable because they exhibit a selective or pick eating pattern and sensory sensitivity that predisposes them to restricted intakes.

I hope this helps!

Based on the given wavelength of 4 x 10^-5 meters, the wave in question is likely an electromagnetic wave. Electromagnetic waves are transverse waves that propagate through space and consist of oscillating electric and magnetic fields.

The wavelength of an electromagnetic wave is determined by the frequency of the wave, which is related to the energy of the wave. The electromagnetic spectrum includes various types of waves, including radio waves, microwaves, infrared radiation, visible light, ultraviolet radiation, X-rays, and gamma rays.

The specific type of electromagnetic wave that corresponds to a wavelength of 4 x 10^-5 meters cannot be determined without additional information, such as the frequency or energy of the wave. Based on the given wavelength of 4 x 10^-5 meters, the transverse wave in question could be an electromagnetic wave, specifically within the range of infrared radiation.

Electromagnetic waves are transverse waves that can travel through space, and they include different types based on their wavelengths, such as radio waves, microwaves, infrared, visible light, ultraviolet, X-rays, and gamma rays.

Infrared radiation typically has a wavelength range between 7 x 10^-7 meters and 1 x 10^-3 meters, which includes the wavelength you've provided (4 x 10^-5 meters). Therefore, this wave is likely an infrared wave.

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Answer:

A generator is a device that converts mechanical energy into electrical energy by rotating a coil of wire in a magnetic field.

No, the sun cannot explain global warming. Global warming is a phenomenon in which the temperature of the Earth's surface and atmosphere is rising continuously due to human activities such as deforestation, burning of fossil fuels, and industrialization.

This increase in temperature cannot be explained only by an increase in solar radiation.There are several factors which contribute to global warming, including greenhouse gases such as carbon dioxide, methane, and water vapor. These gases trap heat in the Earth's atmosphere, which causes the planet's temperature to rise. The sun's radiation does contribute to global warming, but it is not the main cause.

i) To calculate the increase in solar radiation that would cause the Earth to warm up by 1 K, we can use the following formula:ΔS = ΔT / αWhere ΔS is the increase in solar constant, ΔT is the increase in temperature, and α is the Earth's albedo (reflectivity).α = 0.30 is the standard value used for the Earth's albedo.ΔS = ΔT / αΔS = 1 K / 0.30ΔS = 3.33 W/m2So, to explain the increase in temperature of 1 K over the last hundred years, the solar constant would need to increase by 3.33 W/m2.

ii) The observed fluctuation of the solar constant over the past 400 years has been around 0.1% to 0.2%. This is much smaller than the 3.33 W/m2 required to explain the increase in temperature of 1 K over the last hundred years. Therefore, it is unlikely that the sun is the main cause of global warming.

The sun cannot explain global warming. While the sun's radiation does contribute to global warming, it is not the main cause. The main cause of global warming is human activities, particularly the burning of fossil fuels, which release large amounts of greenhouse gases into the atmosphere.

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The wall is positively charged, whereas it is negatively charged. If a woollen fabric is not used to massage it, it will not do so. When the sand was drawn inside the balloon, the same thing occurred.

Positive charges pull away from negative charges. The balloon will attract the wool fabric if it is not touched since it contains an equal balance of negative and positive charges. Both balloons will reject one another when they are brushed with the wool cloth because they both receive negative charges.

Positive and negative particles make up the water. Because positive and negative ions are attracted to one another, when you bring the balloon near the water, the positively charged water molecules will pull the water in the direction of the negatively charged balloon.

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Answer:

144 Joules

Explanation:

The formula for calculating kinetic energy is KE = 1/2 mv^2, where KE is the kinetic energy, m is the mass of the object, and v is the velocity.

Plugging in the given values, we get:

KE = 1/2 * 32 kg * (3 m/s)^2

KE = 1/2 * 32 kg * 9 m^2/s^2

KE = 144 J

Therefore, the kinetic energy of the cat moving at a velocity of 3 m/s south would be approximately 144 Joules.

The correct option is B. The spectrum of a signal is the range of frequencies in the signal.

A spectrum (plural spectra or spectrums) is a condition that isn't restricted to a specific set of values but can vary, without gaps, across a continuum. The word became first used scientifically in optics to explain the rainbow of colors in visible light after passing via a prism. As clinical information of mild superior, it got here to apply to the whole electromagnetic spectrum. It thereby has become a mapping of a variety of magnitudes (wavelengths) to a range of traits, which are the perceived "shades of the rainbow" and different houses which correspond to wavelengths that lie outdoors of the visible light spectrum.

Spectrum has due to the fact that been implemented via analogy to topics outside optics. therefore, one would possibly communicate approximately the "spectrum of political opinion", the "spectrum of interest" of a drug, or the "autism spectrum". In these uses, values within a spectrum may not be associated with precisely quantifiable numbers or definitions. Such makes use of implying a wide variety of situations or behaviors grouped together and studied under an unmarried identity for ease of discussion. Nonscientific makes use of the time period spectrum is once in a while deceptive.

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Complete Question:

The spectrum of a signal is:

A. the lowest frequency value subtracted from the highest

B. the range of frequencies in the signal

C. all of the frequencies from 0 to the highest frequency used

D. the average of the highest frequency and the lowest

a) The capacitance of the container can be determined using the formula C = ε₀A/d, where ε₀ is the vacuum permittivity, A is the area of the plates, and d is the distance between the plates. In this case, the area A is given by the square of the side length, which is 40 cm. The distance d is initially 5 mm.

b) The electrostatic energy stored by the capacitor can be calculated using the formula U = (1/2)CV², where U is the energy, C is the capacitance, and V is the voltage across the capacitor. In this case, the voltage V can be calculated by dividing the charge Q by the capacitance C.

c) The electrostatic force acting on the metal walls can be determined using the formula F = (1/2)CV²/d, where F is the force, C is the capacitance, V is the voltage, and d is the distance between the plates. The force is exerted in the direction of the movable plate.

a) The capacitance of the container is a measure of its ability to store electric charge. It depends on the geometry of the container and the dielectric constant of the material between the plates. In this case, since the container consists of two parallel square plates, the capacitance can be calculated using the formula C = ε₀A/d.

b) The electrostatic energy stored by the capacitor is the energy associated with the electric field between the plates. It is given by the formula U = (1/2)CV², where C is the capacitance and V is the voltage across the capacitor. The energy stored increases as the capacitance and voltage increase.

c) The electrostatic force acting on the metal walls is exerted due to the presence of the electric field between the plates. It can be calculated using the formula F = (1/2)CV²/d, where C is the capacitance, V is the voltage, and d is the distance between the plates. The force is exerted in the direction of the movable plate and increases with increasing capacitance, voltage, and decreasing plate separation.

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Answer:

1.27seconds

Explanation:

Speed = 324 m/s , Distance = 411.48m

Time = Distance/Speed

Time = 411.48/324 seconds

Time = 1.27seconds ( Ans)

Answer:

the answer to the first one is B and the second one is c I hope I got them right

Answer:

Force / mass

Explanation:

Divide mass on both sides to get acceleration by itself leaving you with mass below force hence divide force by mass

Answer:Joe's velocity leaving the ground is 1.00 m/s.

Explanation: The velocity of Joe immediately after leaving the ground can be calculated using the formula v = at, where a is the acceleration and t is the time. Joe's acceleration can be found using the equation F = ma, where F is the net force and m is the mass.So, Joe's acceleration can be calculated as a = F/m = 100N / 90kg = 1.11 m/s^2.Then, using v = at, we can calculate Joe's velocity as v = 1.11 m/s^2 x 0.9 s = 1.00 m/s. Therefore, Joe's velocity immediately after leaving the ground is 1.00 m/s.

The efficiency of a 10 hp DC motor that draws 31 A at 300 volts is equal to 80 %.

The efficiency of a motor can be calculated from the ratio of the mechanical power output to the electric power input to the motor.

Given the horsepower of the DC motor = 10 hp

Conver the hp into watt:

1hp = 745.7 W

Output power = 10 hp = 10× 745.7 = 7457 W

Input power = 31 × 300 = 9300 W

The efficiency of the motor = Output/Input ×100

Efficiency = (7457/9300) ×100 = 80 %

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Answer:

Effort = 540 Newton

Explanation:

Given the following data;

Load arm = 60 cm

Effort arm = 40 cm

Load = 360 N

Conversion:

100 cm = 1 meters

40 cm = 40/100 = 0.4 meters

60 cm = 60/100 = 0.6 meters

To calculate the effort that Reha should apply to lift Neha, we would use the expression;

Effort * effort arm = load * load arm

Substituting into the expression, we have;

Effort * 0.4 = 360 * 0.6

Effort * 0.4 = 216

Effort = 216/0.4

Effort = 540 Newton

The Energy Internet Foundation owns the cryptocurrency known as the Energy Internet Token. Building accessible operating systems of energy grids that can support a zero-carbon economy is the focus of the Energy.

Correct option is, C.

On CoinMarketCap, look up Energy Web Token. Press the "Trade" button next to the price chart. In this view, you will discover a full list of stores where you can purchase Energy Web Token, in addition to the currencies you can do so with.

The price for Energy Web Tokens is anticipated to increase by 570.81% inside the best case situation by 2026 based on our assessment of the expansion of the IT industry, which places the estimated price of EWT between $5.19 and $ 27.02.

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The radius is increasing at a rate of  0.31cm/sec.

We know the volume of the balloon is increasing at a rate of 3.3 \(ft^{3} min\)

This is expressed as:

\(\frac{dV}{dT}\) = 3.3

The volume of a sphere is given by:

V = \(\frac{4}{3}\)π\(r^{3}\)

The question asks to find the rate of which the radius is increasing when the radius is 0.65 feet.

We need to find:

\(\frac{dr}{dt}\)

Since we don't have t in our equation, we will be differentiating implicitly. We can use the chain rule for this:

\(\frac{dV}{dT}\) = \(\frac{dV}{dR}\).\(\frac{dr}{dt}\)

We already know  

\(\frac{dV}{dT}\) = 3.3

∴

3.3 =  \(\frac{dV}{dR}\).\(\frac{dr}{dt}\)

To find \(\frac{dV}{dR}\)  we differentiate  V = \(\frac{4}{3}\)π\(r^{3}\)

∴

3.3 = 4\(\frac{3.3}{5.30}\)\(r^{2}\).\(\frac{dr}{dt}\)

Dividing ,

\(\frac{3.3}{5.30}\) = \(\frac{dr}{dt}\) = 0.622 ft/min = 0.31 cm/sec

The radius is increasing at a rate of  0.31cm/sec.

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Answer:

La presion a 40 °C es 1.05 atm.

Explanation:

Usando la ecuación ideal de los gases.

\(PV=nRT\)

Debemos recordar, que CNPT significa condiciones normales de presión y temperatura.

Para el primer estado tenemos:

\(P_{1}V_{1}=nRT_{1}\)

Donde:

Para el segundo estado:

\(P_{2}V_{2}=nRT_{2}\)

Donde:

Como ambas ecuaciones tienen el mismo valor de volumen podemos igualarlas:

\(\frac{nRT_{1}}{P_{1}}=\frac{nRT_{2}}{P_{2}}\)

n y R permanecen constantes, se puden cancelar.

\(\frac{T_{1}}{P_{1}}=\frac{T_{2}}{P_{2}}\)

Despejamos P(2).

\(P_{2}=\frac{P_{1}T_{2}}{T_{1}}\)

\(P_{2}=\frac{1*313}{298}\)

\(P_{2}=1.05\: atm\)

Espero te haya sido de ayuda!

Evidence for this is Hubble expansion, Cosmic background radiation, Uniformity of the abundance of hydrogen and helium, Excessive amount of gas found in the galaxy. The correct answer is E. All of the above.

Modern cosmology provides several lines of evidence supporting the Big Bang theory, which states that the universe originated from a highly dense and hot state approximately 13 billion years ago. Let's explore each piece of evidence:

A. Hubble expansion: The observation of the expansion of the universe by Edwin Hubble suggests that galaxies are moving away from each other, indicating an expanding universe consistent with the Big Bang model.

B. Cosmic background radiation: The discovery of cosmic microwave background radiation, a faint radiation that permeates the entire universe, supports the Big Bang theory. It is considered a remnant of the hot, dense early universe.

C. Uniformity of the abundance of hydrogen and helium: Observations have shown that the abundance of hydrogen and helium in the universe is remarkably uniform. This uniformity aligns with the predictions of Big Bang nucleosynthesis, which explains the synthesis of light elements during the early stages of the universe.

D. Excessive amount of gas found in the galaxy is not directly related to evidence for the Big Bang and is not considered a strong piece of evidence for the theory.

In summary, the Hubble expansion, cosmic background radiation, and uniformity of hydrogen and helium abundance all provide significant evidence supporting the Big Bang theory.

Therefore, the correct answer is E. All of the above.

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Complete question is:

Modern cosmology supposes that the universe came from a Big Bang event about 13 billion years ago.. Evidence for this is __________.

A. Hubble expansion

B. Cosmic background radiation

C. Uniformity of the abundance of hydrogen and helium

D. Excessive amount of gas found in the galaxy

E. All of the above

The block's speed at the bottom of the ramp is approximately 23.2 m/s.

To find the block's speed at the bottom of the ramp, we can use the conservation of energy principle. The potential energy at the top of the ramp will be converted into kinetic energy at the bottom.

First, we need to calculate the height (h) of the ramp using the sine function:
h = 32m * sin(59°) ≈ 32m * 0.857 ≈ 27.424m

Next, we calculate the potential energy (PE) at the top of the ramp:
PE = m * g * h, where m is the mass of the block and g is the acceleration due to gravity (9.81 m/s²).

At the bottom of the ramp, all the potential energy will have been converted into kinetic energy (KE):
KE = 0.5 * m * v², where v is the final velocity we need to find.

Since PE = KE, we can set up the following equation:
m * g * h = 0.5 * m * v²

Notice that the mass (m) cancels out on both sides of the equation:
g * h = 0.5 * v²

Now, solve for the final velocity (v):
v² = 2 * g * h
v² = 2 * 9.81 m/s² * 27.424m
v² ≈ 538.5

Take the square root to find the final velocity:
v ≈ √538.5 ≈ 23.2 m/s

So, the block's speed at the bottom of the ramp is approximately 23.2 m/s.

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False

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