in a free body diagram the weight is

Answer:

D.

Explanation:

acceleration in the z component = velocity in z component / time. The question states velocity in z component is zero. Therefore, acceleration in z component = 0/time = 0.

Now the question does not specify whether the other velocity vectors (x or y) is zero or not. So its D.

The feature that is true of both solar and wind power is (b) Both power sources produce no greenhouse gas emissions during normal operation.

This makes them a more environmentally friendly alternative to traditional fossil fuels, which emit carbon dioxide (CO2) and other harmful gases during combustion.

However, the other options are not completely accurate. Solar and wind power can be intermittent, but this does not necessarily mean that they require a backup energy source. Energy storage technologies, such as batteries or pumped hydro storage, can be used to store excess energy generated during times of high production and release it during times of low production.

Furthermore, while solar and wind power currently supply a small fraction of global energy demand, it is important to note that their usage is increasing rapidly. In fact, renewable energy sources, including solar and wind power, are projected to be the fastest-growing energy source over the next few decades.

In conclusion, solar and wind power's most significant shared feature is their ability to operate without producing greenhouse gas emissions. While they do have other characteristics that are sometimes associated with them, these features are not always completely accurate and may not apply in every circumstance.

for more such questions on power

https://brainly.com/question/1634438

#SPJ8

Answer:

D

Explanation:

Answer: abundance

Explanation: Paradox Inequality is the result of abundance. intended or unintended consequences of social processes and relationships. prevents social equality, and that this inequality ultimately leads to social conflict.

As your textbook notes, the paradox of stratification is that inequality is the result of the Universal Basic Income.

A sociopolitical idea known as universal basic income proposes that every member of a particular population receive a transfer payment on a regular basis without having to prove their ability to pay.

A legally mandated and equally distributed cash award is provided by the government to all people of a given nation under the sociopolitical financial transfer policy concept known as universal basic income (UBI). Local, regional, or national implementation of a basic income are all possible.

The phenomena of birthweight-specific mortality curves crossing when stratified on other exposures, most notably cigarette smoking, is known as the "birth weight conundrum." The dilemma has received a lot of attention in the literature, and a lot of explanations and fixes have been proposed.

Thus, As your textbook notes, the paradox of stratification is that inequality is the result of the Universal Basic Income.

To learn more about universal basic income, follow the link;

https://brainly.com/question/23154403

#SPJ2

the minimum required length of the runway is 305 m (approx.).

To find out the minimum required length of the runway for a small, single engine airplane to take off, we need to use the equation for acceleration.

The given data is given below:

Speed at take-off (v) = 173.0 km/h = 173000/3600

= 48.06 m/s

Acceleration (a) = 3.80 m/s²Initial velocity

(u) = 0

We know that: `v² - u² = 2as

`Here, u = 0, v = 48.06 m/s and a = 3.80 m/s²

Solving for s we get: `s = (v² - u²) / 2a``s = (48.06²) / (2 x 3.80)`

So, s = 304.54 m

This means the minimum required length of the runway is 305 m (approx).

learn more about acceleration here

https://brainly.com/question/605631

#SPJ11

Answer:

At the topmost point where the velocity has only horizontal component whereas the acceleration is vertical.

Explanation:

There is only a horizontal component of velocity at the ap3x of the projectile, and acceleration is vertically downwards owing to gravitation, therefore velocity and acceleration are perpendicular to one another.

Inelastic collision, the momentum before and after the collision and the total energy of the system remains conserved.

Constantine's decision to move the capital of the Roman Empire to Byzantium had significant implications for Roman culture and law. His embrace of Christianity, reorganization of the government, and construction of new buildings and monuments all helped to shape the culture and law of the Roman Empire in significant ways.

One of the most significant ways in which Constantine changed Roman culture and law was through his embrace of Christianity. Although he was not the first Roman Emperor to convert to Christianity, his conversion was significant because it marked a turning point in Roman history. Prior to Constantine, Christianity was a persecuted religion in the Roman Empire, but after his conversion, it became the dominant religion in the Empire. This had significant implications for Roman culture and law, as Christian morality and values began to shape the laws and customs of the Empire.

Another way in which Constantine changed Roman culture and law was through his reorganization of the government. He created a new system of administration that was designed to be more efficient and effective than the old system. This new system was based on a hierarchy of officials who were responsible for specific regions of the Empire. This new system helped to streamline the administration of the Empire and made it easier for Constantine to govern from his new capital in Byzantium.

Finally, Constantine also changed Roman culture and law through his construction of new buildings and monuments in Constantinople. He built several new churches, including the famous Hagia Sophia, which became one of the most important religious buildings in the world.

In conclusion, Constantine's decision to move the capital of the Roman Empire to Byzantium had significant implications for Roman culture and law. His embrace of Christianity, reorganization of the government, and construction of new buildings and monuments all helped to shape the culture and law of the Roman Empire in significant ways.

To know more about Constantine, refer

https://brainly.com/question/24737666

#SPJ11

Answer:

We are given that:54 J of work is needed to stretch a spring from 11 cm to 17 cm90 J are needed to stretching it from 17 cm to 23 cmThe natural length of a spring can be found using the following formula.

k = F/xwhere, k is the spring constant, F is the force applied, and x is the extension produced by the forceWhen a spring is extended or compressed, it obeys Hooke's law which states that the force F required to extend or compress a spring by some distance x is proportional to that distance.

The constant of proportionality k is called the spring constant. If the spring is stretched or compressed beyond its natural length, it stores potential energy U in a similar way that a mass lifted above the ground stores potential energy.

To know more about stretch visit:

https://brainly.com/question/1543747

#SPJ11

The magnitude of acceleration is 7.44 m/s²

Given data:

Radius of the circle, r = 26 m,

Speed of the particle, v = 14 m/s.

Acceleration of the particle is given by the formula: a = v²/r

Where, v is the velocity of the particle and r is the radius of the circle on which the particle is moving.

Substitute the given values in the formula of acceleration.

a = v²/r

= (14 m/s)²/26 m

= 7.44 m/s² (rounded off to two decimal places)

Therefore, the magnitude of acceleration is 7.44 m/s².

To know more about acceleration, refer here:

https://brainly.com/question/12550364#

#SPJ11

The total runoff volume (ac-ft) from a 10-year rainfall event in a 173 ac watershed in York County, SC with a weighted curve number of 62 is 4,782.83 ac-ft.

To calculate the total runoff volume (ac-ft) from a 10-year rainfall event in a 173 ac watershed in York County, SC with a weighted curve number of 62, the following steps must be carried out:

1: Calculate the rainfall depth using the following formula:

Rainfall Depth (inches) = (Depth of rainfall for a given frequency * CN) - [(Depth of rainfall for a given frequency - 0.2)² / (Depth of rainfall for a given frequency + 0.8)]

where CN is the weighted curve number.

For a 10-year rainfall event, the depth of rainfall is 5.4 inches.

Thus, substituting the values in the formula, we get:

Rainfall Depth (inches) = (5.4 * 62) - [(5.4 - 0.2)² / (5.4 + 0.8)]

Rainfall Depth (inches) = 335.2 - (27.04 / 6.2)

Rainfall Depth (inches) = 333.34

2: Calculate the total runoff volume (ac-ft) using the following formula:

Total Runoff Volume (ac-ft) = (Watershed area (acres) * Rainfall Depth (inches)) / 12

where 12 is used to convert inches to feet.

Substituting the values in the formula, we get:

Total Runoff Volume (ac-ft) = (173 * 333.34) / 12

Total Runoff Volume (ac-ft) = 4,782.83

Learn more about runoff volume at

https://brainly.com/question/32203794

#SPJ11

Given

The intensity is

To find

The relative intensity

Explanation

The relative intensity is given by

Here,

Thus,

Conclusion

The relative intensity is 96.6 dB

Answer: d1ldo

Explanation:

Answer:

Option 3. The tennis ball began from rest and rolls at a rate of 14.7 m/s safer 1.5 seconds.

Explanation:

To know the the correct answer to the question, it is important that we know the definition of acceleration.

Acceleration can simply be defined as the rate of change of velocity with time. Mathematically, it is expressed as:

a = (v – u) /t

Where

a => acceleration

v => final velocity

u => Initial velocity

t => time

With the above information in mind, let us consider the options given in the question above to know which conform to the difinition of acceleration.

For Option 1,

We were told that the tennis ball has the following:

Distance = 4 m

Time = 1.5 s

This talks about the speed and not the acceleration.

Speed = distance / time

For Option 2,

We were only told about the average speed and nothing else.

For Option 3,

We were told that the tennis ball have the following:

Initial velocity (u) = 0 m/s

Final velocity (v) = 14.7 m/s

Time = 1.5 s

This talks about the acceleration.

a = (v – u) /t

For Option 4,

We were only told that the tennis rolls to the right at an average speed. This talks about the average velocity. We need more information like time to justify the acceleration.

From the above illustrations, option 3 gives the correct answer to the question.

When the mass of carbon is 12 amu, the binding energy of c126 is 92.16 million electron volts (MeV). 

The documentation "c126" likely alludes to the carbon-12 isotope, which has a nuclear mass of around 12 amu.

To calculate the authoritative vitality of carbon-12, we will utilize the condition:

E = (Δm)c²

where E is the official vitality,

Δm is the mass deformity (the distinction between the mass of the core and the whole of the masses of its protons and neutrons),

and c is the speed of light.

The mass of a carbon-12 core is roughly 12 nuclear mass units (amu), which is proportionate to\(1.993 x 10^-26 kg\).

The mass of six protons and six neutrons is around 12.0989 amu, giving a mass deformity of 0.0989 amu.

Utilizing the condition over, ready to calculate the authoritative vitality of carbon-12:

E = (0.0989 amu) x\((1.66 x 10^-27 kg/amu) x (3.00 x 10^8 m/s)^2\)

E = 92.16 x\(10^-13 J\)

E = 92.16 MeV

Hence, the official vitality of carbon-12 is around 92.16 million electron volts (MeV). 

To know more about the mass of carbon refer to this :

https://brainly.com/question/29880552

#SPJ1

Answer:

35m

Explanation:

Take the speed of 5m/s and multiply that by 7 seconds. You get 35m

The time required for a spacecraft launched into a paraboliv trajectory at a perigee altitude of 200 km to leave the earth's sphere of influence is 7.77 days.

Thus, The terms apogee and perigee describe the separation between the Earth and the moon. The distance from the earth at apogee is the greatest.

The moon appears larger around perigee, which is when it is closest to the earth. Without anything to compare it against, the moon appears to be the same size when viewed from the ground. But the size disparity may actually be pretty substantial.

The tides on Earth are impacted by the moon's apogee and perigee. The moon has less gravitational attraction when it is at apogee, the distance from Earth at when it is closest to the moon.

Thus, The time required for a spacecraft launched into a paraboliv trajectory at a perigee altitude of 200 km to leave the earth's sphere of influence is 7.77 days.

Learn more about Earth, refer to the link:

https://brainly.com/question/21698090

#SPJ12

Answer:

yes makes sense

Explanation:

The probable origin of the dark colored features in the surface of mars for about 20 kilometers across are dunes shaped by the wind.

Explanation:

Dunes are familiar features on Earth and they also occur on Mars, Venus, and Saturn's moon, Titan. What all these bodies have in common is an atmosphere, plus substantial amounts of loose sand-size particles. Of all the extraterrestrial dunes scientists know about, those on Mars are the most closely studied.

A dune is a heap of sand piled up and shaped by the wind. (Underwater dunes exist on Earth, but we can ignore these in regard to today's Mars.) The word "dune" implies a substantial size — at least several meters (yards) high. But small ripples of sand only a few centimeters (inches) high are made in the same way from the same materials. The difference lies mainly in the supply of particles and how much time the wind has had to work on them.

To learn more

https://brainly.com/question/7410453

Answer:

A. electromagnetic waves only

Explanation:

brainliest please? :))

a) Electromagnetic waves only can travel through space

Electromagnetic waves are the waves that are propagated by simultaneous period variation of electric and magnetic filed intensity .

Longitudinal wave and mechanical wave require a particular medium to travel , and in vacuum their is no medium that helps  the waves to propagate because their is no particle present in vacuum . Hence , their is absence of any matter , wave cannot travel through it .

Because electromagnetic waves do not need molecule  to travel and electromagnetic wave are transverse waves and they have oscillating magnetic and electric field thus do not need a medium to travel .

hence , correct option a) Electromagnetic waves only

learn more about electromagnetic waves

https://brainly.com/question/3101711?referrer=searchResults

#SPJ3

The condition in which certain colors are diminished as depth increases is called color attenuation. This refers to a phenomenon where colors become less vibrant and fade as the distance between the observer and the object increases.

This happens due to the scattering of light by particles in the atmosphere, which reduces the intensity of the light and alters the color perception of the viewer.
As a result, the colors of objects that are far away appear less vivid and washed out, while those that are closer look brighter and more saturated. This effect is particularly noticeable in outdoor scenes where the distance between objects is significant.
The degree of color attenuation depends on the distance between the viewer and the object, the angle of incidence of the light, the quality of the atmosphere, and the presence of any obstructions that might block or reflect light.
Color attenuation is a common phenomenon in outdoor photography and can be used to create depth and dimension in images. Photographers often use color correction techniques to compensate for the loss of color and contrast that occurs when shooting at a distance.
In conclusion, color attenuation is the condition in which certain colors are diminished as depth increases. It is caused by the scattering of light by particles in the atmosphere, which reduces the intensity of light and alters the color perception of the viewer. This phenomenon is particularly noticeable in outdoor scenes and is commonly observed in photography.

to know more about color attenuation visit:

https://brainly.com/question/23611673

#SPJ11

Answer:

666.67 (rounded) mph.

Explanation:

3,000/4.5

The approximate opening time of the Overcurrent Protection Device (OCPD) can be determined based on the current drawn by the equipment. However, to provide a more accurate answer, we need to know the type of OCPD being used.

Assuming that the OCPD is a standard circuit breaker, the opening time can vary depending on the specific breaker. Generally, circuit breakers have a time-current characteristic curve that defines their tripping time based on the magnitude of the current.

To determine the approximate opening time, we can refer to the manufacturer's data or standard time-current curves. These curves provide a graphical representation of the tripping time for different current values.

For example, if we assume that the circuit breaker has a tripping time of 0.1 seconds at 100 amperes, we can estimate the opening time for a current of 300 amperes by interpolating between the provided data points.

Using linear interpolation, we can calculate the approximate opening time as follows:

- The time difference between 100 amperes and 300 amperes is 200 amperes.
- The time difference between 0.1 seconds and the unknown opening time is t seconds.
- The ratio of the current difference to the time difference is constant: 200 amperes / 0.1 seconds = 300 amperes / t seconds.
- Solving for t, we get t = (0.1 seconds) * (300 amperes / 200 amperes) = 0.15 seconds.

Therefore, based on this estimation, the approximate opening time of the OCPD for a current draw of 300 amperes is 0.15 seconds.

To know more about current visit:

https://brainly.com/question/15141911

#SPJ11

Answer:

Gravity is a non-contact force that was observed famously by Sir Isaac Newton, who watched an apple falling from a tree to the ground. ... Newton was the first to realise that gravity existed in space and it was the force which holds the Moon in orbit around the Earth and planets in orbit around the Sun.

Answer:

Answer:

B) uniform

Explanation:

We can solve this problem by using Boyle's law, which states that:

For a constant mass of an ideal gas kept at constant temperature, the pressure of the gas is inversely proportional to its volume.

Mathematically:

where

p is the pressure of the gas

V is its volume

If we apply the equation to the bottle in the problem, we see that:

- when the volume of the bottle (and therefore, of the gas inside) decreases, than the pressure will increase

- viceversa, when the volume of the bottle increases, the pressure will decrease

The amount by which the pressure increases is inversely proportional to the decrease in volume, so the answer depends on how the volume of the bottle decreases: however, if the volume of the bottle decreases uniformly, then we can say that the pressure inside the bottle will also increases uniformly.

MARK THIS ANSWER AS THE BRAINLIEST PLEASE ❤️

An increase in pressure of a plastic bottle  uniformly decreases by a factor of ten when the volume decreases.

Pressure is defined as the force applied on an object perpendicular to it's surface per unit area over which it is distributed.Gauge pressure is a pressure which is related with the ambient pressure.

There are various units by which pressure is expressed most of which are derived units which are obtained from unit of force divided by unit of area . The SI unit of pressure is pascal .

It is a scalar quantity which is related to the vector area element with a normal force acting on it.It is distributed over solid boundaries and across arbitary sections of fluid normal to the boundaries at every point.Pressure and volume of gas are inversely proportional.

Learn more about pressure,here:

https://brainly.com/question/14760196

#SPJ6

Answer:

 v₂ =\(( \frac{r_1}{r_2})^2 \ v_1\)

Explanation:

This phenomenon is explained by the continuity equation in fluids

           v₁A₁ = v₂A₂

where the subscript 1 is for the input narrow part and the subscript 2 for the wide part

         v₂ = \(\frac{A_1}{A_2} v_1\)

consider the cross section at each point

           A₁ = π r₁²

           A₂ = π r₂²

we substitute

          v₂ =\(( \frac{r_1}{r_2})^2 \ v_1\)

therefore the exit velocity is less than the entrance velocity of the fluid.

We can also analyze the situation using Bernoulli's equation

         P₁ + ρ g v₁² + ρ g y₁ = P₂ + ρ g v₂² + ρ g y²

       if we assume a horizontal system y₁ = y₂

         P₁-P₂ = ρ g (v₂² - v₁²)