Blocks A, B, C, and D have weights of 50 N,25 N,20, and 15 N. respectively as shown in Fig.3. All the coefficients of static friction between surfaces are μs​=0.3. Determine the tension force of T1​ and T2​.

No, the distance to a star cannot be determined strictly by the intensity of its radiation.

Stars emit radiation in the form of electromagnetic waves across the entire electromagnetic spectrum. This includes everything from radio waves, microwaves, and infrared radiation to visible light, ultraviolet radiation, X-rays, and gamma rays. The specific types and amounts of radiation emitted by a star depend on its temperature, size, age, and other properties.

Most of the radiation emitted by stars is in the form of visible light, which is what allows us to see them in the night sky. The colors of stars, ranging from red to blue, indicate their temperature, with cooler stars appearing redder and hotter stars appearing bluer.

In addition to visible light, stars also emit ultraviolet radiation, which can cause damage to living cells and is absorbed by the Earth's atmosphere. X-rays and gamma rays are also emitted by some stars, particularly those that are very hot or undergoing extreme nuclear reactions, and can only be detected with specialized telescopes.

The radiation emitted by stars plays an important role in shaping the universe, influencing the formation and evolution of galaxies, stars, and planets. It is also the source of energy that powers life on Earth, as it is ultimately responsible for driving photosynthesis in plants and other organisms.

Here in the Question,

The intensity of a star's radiation can provide valuable information about its properties, such as its luminosity and surface temperature, distance estimation requires additional measurements and calculations.

One way to determine the distance to a star is through the method of parallax. This involves observing the apparent shift in a star's position against the background of more distant stars as the Earth moves in its orbit around the Sun. The amount of shift is measured and used to calculate the star's distance.

Another method is the use of standard candles, which are objects of known intrinsic brightness, such as certain types of supernovae or Cepheid variable stars. By comparing the observed brightness of a standard candle with its known intrinsic brightness, astronomers can determine its distance based on the inverse square law of radiation, which states that the intensity of radiation decreases with the square of the distance.

Therefore, while the intensity of a star's radiation provides important information about its properties, it is not sufficient to determine the star's distance, which requires additional measurements and calculations.

To learn about thermal energy click:

https://brainly.com/question/14193449

#SPJ2

The potential function and the gravitational field intensity function inside and outside of a thin ring with radius R, in terms of r (the distance from the center of the ring to the field point), are as follows:

Inside the ring (r < R): The potential function is given by V = -GM/r, and the gravitational field intensity function is E = GM/r², where G is the gravitational constant and M is the mass of the ring.

Outside the ring (r > R): The potential function is V = -GM/r + GM/R, and the gravitational field intensity function is E = GM/r², where G is the gravitational constant, M is the mass of the ring, and R is the radius of the ring.

Inside the ring (r < R), the potential function is given by V = -GM/r. This represents the gravitational potential due to the mass of the ring at a point inside the ring. The negative sign indicates that the potential decreases as the distance from the center of the ring decreases. The gravitational field intensity function is E = GM/r², representing the strength of the gravitational field at a point inside the ring. The field intensity decreases as the distance from the center of the ring increases, following an inverse square relationship.

Outside the ring (r > R), the potential function is V = -GM/r + GM/R. In addition to the potential due to the mass of the ring, there is an additional potential term GM/R, which arises from considering the ring as a point mass located at its center. The gravitational field intensity function remains the same as E = GM/r², indicating that outside the ring, the gravitational field follows an inverse square relationship with the distance from the center of the ring.

To know more about potential function click here:

https://brainly.com/question/28156550

#SPJ11

The measure of central tendency that should be used to calculate the cutoff time for the final race is the median.

Option C.

The median is the middle point in a dataset—half of the data points are smaller than the median and half of the data points are larger.

To find the median: Arrange the data points from smallest to largest. If the number of data points is odd, the median is the middle data point in the list.

So from the given data of the 100 meter dash, the measure of central tendency that should be used to calculate the cutoff time for the final race is the median.

The median will help to separate half of the data points that are smaller than the cutoff time and half of the data points are larger than the cutoff time.

Learn more about median here: https://brainly.com/question/26177250

#SPJ1

Adipocere is chemically similar to a soap. This is the only true statement regarding adipocere.

Adipocere is chemically similar to a soap. Adipocere, also known as grave wax, is a waxy substance that is created by the hydrolysis of fat (lipids) under certain conditions. It is chemically similar to soap because it is composed of fatty acids and glycerol. Adipocere is most commonly found in graves or burial sites where the conditions are suitable for its formation. It is a useful forensic tool because it can be used to estimate the time of death of a body based on the presence and extent of adipocere formation.

Let's look at the other statements one by one:

Statement 1: Also known as grave wax: This statement is true, but it does not provide any additional information regarding the chemical or biological properties of adipocere.

Statement 2: Created by a hydrolysis reaction: This statement is partially true, but incomplete. Adipocere is created by the hydrolysis of fat (lipids), which is a specific type of hydrolysis reaction.

Statement 4: Created from a carbohydrate: This statement is completely false. Adipocere is created from fat (lipids), not carbohydrates.

Therefore, the correct answer is option 3:

Learn more about Adipocere here:

https://brainly.com/question/19753415

#SPJ11

About 50 to 70 percent of your daily energy needs is determined by

your basal metabolic rate and physical activity.

Basal metabolic rate (BMR) refers to the amount of energy your body needs to perform basic functions at rest, such as maintaining organ function, regulating body temperature, and supporting cellular processes. It accounts for a significant portion of your daily energy expenditure, typically ranging from 50 to 70 percent.

Physical activity, including exercise and daily movement, also plays a crucial role in determining your energy needs. Engaging in physical activity increases your energy expenditure by burning calories and can significantly impact your overall energy requirements. The intensity, duration, and frequency of your physical activity influence the amount of energy expended.

The thermic effect of food (TEF) is the energy expended during the digestion, absorption, and metabolism of food. While TEF contributes to your daily energy expenditure, its impact is relatively smaller compared to basal metabolic rate and physical activity. TEF typically accounts for about 5 to 10 percent of your total energy expenditure.

While physical activity and the thermic effect of food do contribute to your daily energy needs, the basal metabolic rate and physical activity have a greater influence, collectively representing about 50 to 70 percent of your energy expenditure.

To know more about basal metabolic rate and physical activity, visit

https://brainly.com/question/31448613

#SPJ11

Answer:

A) Slower

Explanation:

    Less / low energy means less / slower speed.

Have a nice day!

    I hope this is what you are looking for, but if not - comment! I will edit and update my answer accordingly. (ノ^∇^)

- Heather

Light propogates from soda lime glass into pyrex glass of different refractive indices indicating a change in the medium which can be used to find out the critical angle.

The critical angle is the angle of incidence for which the angle of refraction comes out to be 90°. It is related to the refractive indices (Plural of refractive index) by the following relation:

Sini = 1/u, where u is the ratio of refractive index of medium 2 and medium 1

According to the question, Light propogates from soda lime glass (Medium 1, u1=1.518) into pyrex glass(Medium 2, u2=1.473), i.e. from a denser medium to rarer medium. So, the ratio of refractive index becomes u2/u1= 1.473/1.518=0.97

Putting the ratio in the above-mentioned formula,

∴ Sini = 1/0.97

i= 75.9°

Hence, the critical angle(i) for the given situation is 75.9°.

Learn more about Critical angle here, https://brainly.com/question/15009181

#SPJ4

Answer:

See below

Explanation:

Things generally expand when heated ....so volume increases while mass remains the same .....this will cause the value of density to decrease  

The statement that best identifies her speed at each second is as follows: the sky driver has the fastest speed at 4 seconds (option B).

Air resistance is the action of friction that slows something moving through air.

Air resistance is dependent on velocity, area, and shape of the object going through the air. Altitude, temperature, and humidity change air density and, consequently, its resistance.

The higher the speed and the bigger the area, the higher the resistance. As speed increases so too does the frequency of the collision of air molecules with the object. This results in an increase in air resistance.

Therefore, as the sky driver with a weight of 500N increases in air resistance, the speed also increases.

Learn more about air resistance at: https://brainly.com/question/19165683

#SPJ1

The image is approximately 9.33 cm away from the mirror, on the object's side.

To determine the image location formed by a converging mirror, we can use the mirror equation:

1/f = 1/d_o + 1/d_i

where:

f is the focal length of the mirror,

d_o is the object distance (distance of the object from the mirror), and

d_i is the image distance (distance of the image from the mirror).

In this case, the focal length (f) is given as 7 cm, and the object distance (d_o) is 4 cm.

Plugging in the values into the mirror equation:

1/7 = 1/4 + 1/d_i

To find the image distance (d_i), we can solve for it:

1/d_i = 1/7 - 1/4

1/d_i = (4 - 7) / (4 * 7)

1/d_i = -3 / 28

Taking the reciprocal of both sides:

d_i = 28 / -3

d_i ≈ -9.33 cm

The negative sign indicates that the image formed by the converging mirror is virtual and located on the same side as the object.

Therefore, the image is approximately 9.33 cm away from the mirror, on the object's side.

To learn more about the mirror formula click:

brainly.com/question/30242207

#SPJ1

(i)Therefore, it takes approximately 9.27 hours to reach its full power output.(ii)It is necessary to have quick-start power sources, this helps maintain a stable and reliable electricity supply even when wind speeds fluctuate.(c)The Bremsstrahlung effect needs to be considered to ensure proper radiation protection.(d) The near-field region is characterized by strong electric and magnetic fields while the far-field region represents the radiation zone.

(i) To calculate the time it takes for the power station to reach its full power output, we can use the formula:

Energy = Power × Time

Given that the power station generates 6120 MWh of energy over a 10-hour period and the rated power at full capacity is 660 MW, we can rearrange the formula to solve for time:

Time = Energy ÷ Power

Converting the energy to watt-hours (Wh):

Energy = 6120 MWh × 1,000,000 Wh/MWh = 6,120,000,000 Wh

Converting the power to watt-hours (Wh):

Power = 660 MW × 1,000,000 Wh/MW = 660,000,000 Wh

Now we can calculate the time:

Time = 6,120,000,000 Wh ÷ 660,000,000 Wh ≈ 9.27 hours

Therefore, it takes approximately 9.27 hours (or 9 hours and 16 minutes) for the power station to reach its full power output.

(ii) The type of power station that can be started up fastest is a gas-fired power station. Gas-fired power stations can reach full power output relatively quickly because they use natural gas combustion to produce energy.

In contrast, other types of power stations, such as coal-fired or nuclear power stations, have longer start-up times. Coal-fired power stations require time to heat up the boiler and generate steam, while nuclear power stations need to go through a complex series of procedures to ensure safe and controlled nuclear reactions.

This is relevant to optimizing the usage of windfarms because wind power is intermittent and dependent on the availability of wind. This helps maintain a stable and reliable electricity supply even when wind speeds fluctuate.

(c) The Bremsstrahlung effect is a phenomenon that occurs when charged particles, such as electrons, are decelerated or deflected by the electric fields of atomic nuclei or other charged particles. As a result, they emit electromagnetic radiation in the form of X-rays or gamma rays.

In shielding design, the Bremsstrahlung effect needs to be considered to ensure proper radiation protection. These materials effectively absorb and attenuate the emitted X-rays and gamma rays, reducing the exposure of individuals to harmful radiation.

(d) The electromagnetic field output from an antenna can be represented by two main regions:

Near-field region: This region is closest to the antenna and is also known as the reactive near-field. It extends from the antenna's surface up to a distance typically equal to one wavelength. In the near-field region, the electromagnetic field is characterized by strong electric and magnetic field components.

Far-field region: Also known as the radiating or the Fraunhofer region, this region extends beyond the near-field region.The electric and magnetic fields are perpendicular to each other and to the direction of propagation.  The far-field region is further divided into the "Fresnel region," which is closer to the antenna and has some characteristics of the near field, and the "Fraunhofer region," which is farther away and exhibits the properties of the far-field.

The transition between the near-field and the far-field regions is gradual and depends on the antenna's size and operating frequency. The size of the antenna and the distance from it determine the boundary between these regions.

In summary, the near-field region is characterized by strong electric and magnetic fields, while the far-field region represents the radiation zone where the energy is radiated away as electromagnetic waves.

To know more about power station:

https://brainly.com/question/32772374

#SPJ4

True, this is because the echo sounder that is applicable to boats cannot be used directly for airplanes

By sending out sound waves and timing how long it takes for them to bounce back, an echo sounder, sometimes referred to as a sonar, is a device frequently used in boats to gauge the depth of the water beneath the craft.

When a sound pulse from an echo sounder strikes a solid item in the water, such as fish, vegetation, or other objects, the signal is reflected back to the surface.

Learn more about echo sounders here:

https://brainly.com/question/1057435

#SPJ1

In each of the following cases, work is done as follows:

What is work?

Work is a term used in physics to describe the transfer of energy from one system to another. Work is done when a force is applied to an object, causing it to move a certain distance in the direction of the force.

a) A physics student works tirelessly on this homework assignment: No work is done in this scenario as work is defined as the transfer of energy from one system to another. Writing a homework assignment does not involve the transfer of energy from one system to another.

b) An elevator takes you from the 1st to the 3rd floor of Suncoast, and returns to the 1st floor: Work is done in this scenario as the elevator moves against the force of gravity, lifting the people and its own weight from the 1st to the 3rd floor, and then back to the 1st floor.

c) A link pulls a block 10 m across the floor of a temple at constant speed: Work is done in this scenario as the link exerts a force on the block, causing it to move in the direction of the force, covering a distance of 10 m.

d) A guy pushes the wall with all his strength: No work is done in this scenario as work is defined as the transfer of energy from one system to another. Pushing the wall does not result in the transfer of energy from one system to another, and the wall does not move.

e) A student picks up a textbook from the ground: Work is done in this scenario as the student lifts the textbook against the force of gravity, causing the textbook to gain potential energy.

To learn more about work:

https://brainly.com/question/28356414

#SPJ1

Answer:

Half

Explanation:

You only have to exert a force equal to half the weight of the load to lift it.

Answer:

A: Half

Explanation:

The Earth's orbital speed increases slightly as it gets closer to the Sun, reaching its fastest speed in December, and decreases slightly as it moves away from the Sun, reaching its slowest speed at aphelion in July.

The orbital speed of the Earth changes slightly as it moves around the Sun due to changes in its distance from the Sun. As the Earth gets closer to the Sun, it experiences a stronger gravitational pull, which increases its speed, and as it moves farther away from the Sun, the gravitational pull decreases, causing the speed to decrease.

In July, the Earth is at aphelion, which is the farthest point in its orbit from the Sun. At this point, the Earth is about 94.5 million miles away from the Sun. In December, the Earth is at perihelion, which is the closest point in its orbit to the Sun. At this point, the Earth is about 91.5 million miles away from the Sun. Therefore, the Earth is about 3 million miles closer to the Sun in December than it is in July.

As the Earth gets closer to the Sun, its orbital speed increases due to the stronger gravitational pull from the Sun. Therefore, in December, the Earth is moving faster in its orbit around the Sun than it is in July. This increase in speed is not noticeable to us on Earth, but it is a measurable change in the velocity of the Earth's orbit. In fact, the Earth's speed at perihelion is about 30 km/s (18.64 mi/s) compared to about 29.29 km/s (18.21 mi/s) at aphelion.

Learn more about orbital speed here: https://brainly.com/question/22247460

#SPJ1

The minimum distance 'd' between the cars to avoid a collision is either 45 feet if Car B stops instantly or 645 feet if Car B takes 10 seconds to come to a stop after the driver applies the brakes.

To determine the minimum distance 'd' between the cars to avoid a collision, we need to consider the time it takes for both cars to come to a stop after the driver of Car B applies the brakes.

1. Car B:

  - Initial velocity: 60 ft/s

  - Deceleration: -12 ft/s² (negative because it's decelerating)

  - Time to come to a stop: Unknown, denoted as 'tB'

2. Car A:

  - Initial velocity: 60 ft/s

  - Deceleration: -15 ft/s^2 (negative because it's decelerating)

  - Reaction time: 0.75 s

  - Time to come to a stop: 'tB' + Reaction time

Since both cars come to a stop, we can equate their respective distances traveled to zero using the kinematic equation:

Distance = Initial velocity × Time + 0.5 × Acceleration × Time²

For Car B:

0 = 60 ft/s × tB + 0.5 × (-12 ft/s²) × tB²

Simplifying this equation will give us the time 'tB' for Car B to come to a stop.

For Car A:

0 = 60 ft/s × (tB + 0.75 s) + 0.5 × (-15 ft/s²) × (tB + 0.75 s)²

Simplifying this equation will give us the total time for Car A to come to a stop.

To find the minimum distance 'd' between the cars, we need to determine the value of 'd' when both cars come to a stop simultaneously. This occurs when the total time for Car A to stop is equal to 'tB'. Substitute this value into the equation:

d = 60 ft/s × (tB + 0.75 s)

0 = 60tB - 6tB²

This is a quadratic equation in terms of 'tB'. Rearranging the equation:

6tB² - 60tB = 0

Factor out a common term of 6tB:

6tB(tB - 10) = 0

This equation will be satisfied when either 6tB = 0 or tB - 10 = 0:

1) 6tB = 0

  tB = 0

2) tB - 10 = 0

  tB = 10

We have two possible solutions for 'tB': tB = 0 and tB = 10.

Now let's substitute these values into the equation for 'd' to find the minimum distance:

For tB = 0:

d = 60 ft/s × (0 + 0.75 s) = 45 ft

For tB = 10:

d = 60 ft/s × (10 + 0.75 s) = 645 ft

Therefore, the minimum distance 'd' between the cars to avoid a collision is 45 feet when Car B stops instantly, or 645 feet when Car B takes 10 seconds to stop.

To know more about distance refer here

https://brainly.com/question/13034462#

#SPJ11

A black hole is: (d) an object so dense that light leaving it is bent totally back to the object. A black hole is a region in space where gravity is extremely strong, and nothing, including light, can escape its gravitational pull.

Black holes are formed from the remnants of massive stars that have undergone gravitational collapse. When a star exhausts its nuclear fuel, its core collapses under its own gravity. If the core's mass exceeds a certain threshold known as the Chandrasekhar limit, the collapse continues until it forms a black hole.

The extreme density of a black hole results in a gravitational field so intense that it warps the fabric of spacetime around it. This bending of spacetime causes light and other electromagnetic radiation to follow curved paths, and if they come close enough, they can be trapped by the intense gravitational pull of the black hole, unable to escape.

Hence, light leaving a black hole is bent back toward the object, making it impossible for any light to be emitted or seen from within the event horizon, the boundary beyond which nothing can escape the black hole's gravity.

Therefore, (d) an object so dense that light leaving it is bent totally back to the object is correct answer.

To know more about the black hole refer here,

https://brainly.com/question/10597324#

#SPJ11

This is the same height as the clown, so if he looks up at the mirror from the floor he should be able to see his feet reflected in the mirror.

Mirror is a reflective surface, typically of glass, which displays images of objects placed in front of it. Mirrors are used in a variety of different applications, including personal grooming, decoration, interior design, viewing art, scientific uses, and more. A mirror is composed of a flat, smooth surface that reflects light in a specific direction. This reflection is what produces the image we see in the mirror. The reflective surface is usually made of glass, although other materials such as metal, plastic, and wood can also be used. Mirrors can be manufactured in a variety of shapes and sizes, from small hand-held makeup mirrors to large wall-mounted mirrors. Some mirrors are also designed with special coatings or treatments to enhance their reflective properties.

To know more about mirror

https://brainly.com/question/20380620

#SPJ1

The current provided in each branch for 12V circuit are 6 A and 4 A.

The total current provided for the 12 V circuit is 10 A.

The current provided in each branch for 9V circuit are 4.5 A, 3 A and 9 A.

The total current provided for the 12 V circuit is 16.5 A.

The current provided in each branch of the parallel circuit is calculated as follows;

For the 12V circuit;

I = V/R

where;

branch 1 = 12/2 = 6 A

branch 2 = 12/3 = 4 A

Total resistance;

1/Rt = 1/2 + 1/3

1/Rt = 5/6

Rt = 6/5 = 1.2 ohm

Total current is calculated as;

I_t = 12 V/1.2 ohm = 10 A

For the 9 V circuit:

branch 1 = 9/2 = 4.5 A

branch 2 = 9/3 = 3 A

branch 3 = 9/1 = 9 A

Total resistance;

1/Rt = 1/2 + 1/3 + 1/1

1/Rt = 11/6

Rt = 6/11 = 0.545 ohms

Total current is calculated as;

I_t = 9 V/0.545 ohm = 16.5 A

Learn more about total current here: https://brainly.com/question/30995881

#SPJ1

The type of massage that involves a soft continuous stroking movement is called Effleurage.

Effleurage is a massage technique commonly used in various massage modalities, including Swedish massage, aromatherapy massage, and relaxation massage.

During effleurage, the massage therapist applies gentle, gliding strokes with their hands or fingertips over the client's body. The strokes are long, smooth, and rhythmic, creating a continuous and flowing motion. Effleurage can be performed using different levels of pressure, depending on the client's preference and the purpose of the massage.

Effleurage serves several purposes in a massage session. It helps to warm up the muscles, relax the client, and promote the circulation of blood and lymphatic fluids. It also aids in the application of massage oils or lotions and provides a soothing and comforting sensation to the recipient.

Overall, effleurage is a foundational technique in massage therapy that helps create a relaxing and enjoyable experience for the client while providing various physiological and psychological benefits.

Learn more about movement here

https://brainly.com/question/24745731

#SPJ11

The appliance consumes 325 Wh of energy electricity in one hour, and the cost of this energy, based on a rate of $0.15 per kWh, is approximately 4.875 cents.

To calculate the energy consumption and cost,  use this formulas:

(a) Energy = Power x Time

(b) Cost = Energy x Cost per kWh

Given:

Voltage (V) = 240 V

Power (P) = 325 W

Time (t) = 1 hour

Cost per kWh = $0.15/kWh

(a) Energy consumption in one hour:

Using the formula:

Energy = Power x Time

Energy = 325 W x 1 hour

Since the power is given in watts (W) and the time is in hours, the energy consumed will be in watt-hours (Wh).

(b) Cost of energy consumption:

First, we need to convert the energy from watt-hours (Wh) to kilowatt-hours (kWh) because the cost is given per kWh.

\(Energy in kWh =\frac{Energy in Wh}{1000}\)

Next, we can use the formula Cost = Energy x Cost per kWh:

Cost = (Energy in kWh) x Cost per kWh

Let's calculate the values:

(a) Energy consumption in one hour:

Energy = 325 W x 1 hour = 325 Wh

(b) Cost of energy consumption:

\(Energy in kWh = \frac{325 Wh}{1000 }\)

= 0.325 kWh

Cost = 0.325 kWh x $0.15/kWh

Calculating the cost:

Cost = 0.325 kWh x $0.15/kWh

The units kWh cancel out, leaving us with the cost in dollars:

Cost = 0.325 x 0.15 = $0.04875

To convert the cost to cents, we can multiply by 100:

Cost in cents = $0.04875 x 100 = 4.875 cents

In conclusion, in one hour 325 Wh are consumes, and 4.875 cents are the cost of the energy.

Learn more about electricity here:

https://brainly.com/question/30550170

#SPJ11

As the normal reaction force increases, the friction force also tends to increase.

Friction is a force that opposes the relative motion or tendency of motion between two surfaces in contact. The friction force is directly proportional to the normal reaction force, which is the force exerted by a surface perpendicular to the contact surface. In other words, when the normal reaction force increases, the friction force between the two surfaces typically increases as well.

This relationship is described by the equation:

Friction force = Coefficient of friction * Normal reaction force

The coefficient of friction remains constant for a given pair of surfaces, so any change in the normal reaction force directly influences the friction force. Therefore, an increase in the normal reaction force generally results in an increase in the friction force, and vice versa.

To know more about force, visit:

https://brainly.com/question/30507236

#SPJ11

With the help of the concept of First Law of Thermodynamics , the work done by the gas is 34650 joules, the change in internal energy of the gas is 80440 joules and it will not matter whether or not gas is ideal.

The First law of thermodynamics states that energy can neither be created nor be destroyed, but it can be transferred from one form to another. The First law of thermodynamics states that heat is a form of energy and all the processes follow the principle of conservation of energy. According to first law the internal energy of a system is equal to the difference of the net heat supplied to the system and the net work done by the system,

ΔU=ΔQ-ΔW ,where,

ΔU is the change in internal energy of the system

ΔQ is the heat supplied to the system

ΔW is the net work done by the system

In the question we have been given a gas which expands from initial volume Vi = 0.110 \(m^3\)

to final volume of Vf = 0.320 \(m^3\),

the total heat supplied in the process is, ΔQ = 1.15×10^5 J.

All the process takes place at a constant pressure P = 1.65×10^5 Pa.(isobaric process)

1) The net work done by the gas for an isobaric process is given by,

ΔW = P(Vf - Vi)

ΔW = (1.65×10^5)(0.320 - 0.110)

ΔW = 34650 J

2)The change in internal energy of the gas is given by,

ΔU = ΔQ - ΔW

ΔU = 1.15×10^5 - 34650

ΔU = 80440 J

3) According to the first law, for an isobaric process the work done by an ideal gas or a real gas is equal under same conditions, hence, it does not matter whether the gas is ideal or real. The first law is applicable for all kind of gases

To learn more about the first law of thermodynamics visit:

https://brainly.com/question/13164851

#SPJ4

Answer:

???????????????????????????????????????

Explanation:

Answer:

q r s t u v w x y z

Explanation:

Answer:

Scientific theories are explanations of some aspect of the natural world based on repeated observations.

Hope this helps!!!!

Answer:

The way that scientists use the word 'theory' is a little different than how it is commonly used in the lay public," said Jaime Tanner, a professor of biology at Marlboro College. "Most people use the word 'theory' to mean an idea or hunch that someone has, but in science the word 'theory' refers to the way that we interpret facts.

Explanation:

The Stefan-Boltzmann constant (represented by the symbol σ) is a physical constant that relates the intensity of thermal radiation emitted by a blackbody to its temperature.

It is named after the Austrian physicist Josef Stefan and the Dutch physicist Ludwig Boltzmann.The value of the Stefan-Boltzmann constant is approximately 5.67 x 10^-8 watts per square meter per Kelvin to three significant figures.

The exact value of the constant is:

σ = 5.670374419... x 10^-8 W/(m^2.K^4)

where W is watts, m is meters, and K is Kelvin, which are the units of power, distance, and temperature, respectively.

The Stefan-Boltzmann constant is used in many fields of physics and engineering, particularly in the study of thermodynamics, astrophysics, and radiative heat transfer. It is a fundamental constant in physics, and its value has been determined experimentally with high precision.

To know more about Stefan-Boltzmann constant here

https://brainly.com/question/12687525

#SPJ4

Answer:

The second one.

Explanation:

It caused both to change speed because they have both the same mass.

In order to find the time it takes, first let's convert the distance from miles per hour to feet per second: calculate the acceleration using Torricelli's equation

Then, let's :

Now, we calculate the time with the formula below:

Therefore the time required is 1.7 seconds.

Answer:

C. Expenditure

Explanation:

I took the quiz