imagine you blow up a balloon before going scuba diving. you put on your gear and descend 30 ft under water with the balloon. the total pressure from the ocean at that depth is 2 atm. assume that temperature is remains the same. what happens to the volume of the balloon?

Answers

Answer 1

The volume of the balloon under water decreases by half the volume of balloon in air while the temperature remain constant.

Given the height under water = 30ft

The total pressure from the ocean at that depth is (P2)= 2 atm

The temperature is kept constant.

Let the volume of balloon in air = V1

The pressure of air (P1) = 1 atm

Let the volume of the balloon under water = V2

We know that from ideal gas equation that PV = nRT where n is the number of moles R is the gas constant, P is the pressure, V is the volume and T is the temperature.

According to Boyle's law, the volume of a gas is inversely proportional to its pressure.

P1V1 = P2V2

Therefore, V2 = (P1/P2) x V1

V2 = (1 atm/2 atm) x V1

V2 = 0.5 x V1

Therefore, the volume of the balloon will be half of its original volume.

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Related Questions

How many marshmallows are in 80 bags if each bag hold 24 marshmallows?

Answers

Explanation:

80*24=1920 or 1,920

Just multiply

\(hopethishelpsyou\)

Answer:

jeeze... this would be easier if the numbers were switched

Explanation:

i dont have an answer for ya but put 80x24=? in ur calculator

good luck m8

For which segment does the cart move the greatest distance? a. ABb.BCc. CDd. DEWhat feature of the graph did you use to determine the distances?

For which segment does the cart move the greatest distance? a. ABb.BCc. CDd. DEWhat feature of the graph

Answers

ANSWER:

a. AB

STEP-BY-STEP EXPLANATION:

The greatest distance occurs when the speed is increasing and also takes less time to reach that speed.

According to the graph, the highest speed is 8 m/s and it reaches it in 3 seconds, therefore, it is where the greatest distance is given.

Therefore, the segment of greater distance is the segment AB

suppose that you have a reflection diffraction grating with n= 140 lines per millimeter. light from a sodium lamp passes through the grating and is diffracted onto a distant screen.

Answers

The angular positions of the first three orders of interference fringes on the screen are 5.73 × 10⁻⁶ rad, 11.47 × 10⁻⁶ rad, and 17.20 × 10⁻⁶ rad.

The distances between the central fringe and the first, second, and third order fringes are 0.0088 m, 0.0176 m, and 0.0264 m respectively.

Suppose you have a reflection diffraction grating with n = 140 lines per millimeter. Light from a sodium lamp passes through the grating and is diffracted onto a distant screen. It is required to determine the angular positions of the first three orders of interference fringes on the screen.

The grating equation is given by:d sin θ = mλ

Where:d is the spacing between grating linesθ is the angle of diffractionm is the order of the diffractionλ is the wavelength of light

From the above equation, it can be concluded that the angle of diffraction is inversely proportional to the number of lines on the grating, so the greater the number of lines, the smaller the angle of diffraction. The first order of diffraction is obtained for m = 1.

Therefore, the angle of diffraction is given by: d sin θ = mλsin θ = mλ/dsin θ = λ/d = 5.73 × 10⁻⁶ rad

The distance between the central fringe and the first order fringe can be calculated using the formula:y = L tan θy = L tan (λ/d)y = 0.0088 m

Similarly, the second-order diffraction is obtained for m = 2, so sin θ = 2λ/d and θ = 11.47 × 10⁻⁶ rad. The distance between the central fringe and the second order fringe can be calculated as:

y = L tan θy

= L tan (2λ/d)

y = 0.0176 m

Lastly, for m = 3,

sin θ = 3λ/d and

θ = 17.20 × 10⁻⁶ rad.

The distance between the central fringe and the third order fringe can be calculated as:y = L tan θy = L tan (3λ/d)y = 0.0264 m

The angular positions of the first three orders of interference fringes on the screen are 5.73 × 10⁻⁶ rad, 11.47 × 10⁻⁶ rad, and 17.20 × 10⁻⁶ rad. The distances between the central fringe and the first, second, and third order fringes are 0.0088 m, 0.0176 m, and 0.0264 m respectively.

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List between six and eight student organizations either offered by your school or offered
at other schools. Use online research if necessary. Explain how these organizations
encourage growth and what you can learn from being involved in them. Discuss the
skills you can learn from certain organizations, and other benefits of being involved.

Answers

Examples of student-led organizations are:

Academic and educational organizations

Community service organization

Media and publications organizations

Political or multicultural organizations

Recreation and sports organizations

Student government organizations

Religious and Spiritual organizations

The benefits of getting involved in any of these are many. They include but are not limited to:

It helps one to learn more about oneself

It is a great place to develop leadership skills

It offers the opportunity for people to build life-long networks

Skills learned in class can be practiced and honed in these organizations

Soft skills such as team-intellignce, and social intelligence can be learned in these organizations

Valuable experiences that count in real-life jobs can be learned here

It is also an opportunity to give back to the community and to have fun

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Use the image above to answer the following for 2 points each:

1. Identify a point in the diagram where a divergent boundary is occurring and explain how it is interacting with the rock cycle.

2. Identify a point in the diagram where a divergent boundary is occurring and explain how it is interacting with the rock cycle.

3. Identify a point in the diagram where the rock cycle is occurring without a plate boundary and how it is interacting with the rock cycle.

Use the image above to answer the following for 2 points each:1. Identify a point in the diagram where

Answers

Answer: the divergent one goes where it looks like there a crack because when you think about divergent it means dividing like seperating.(igneous rock) is where the divegent one goes.

the one that is no plate boundary is sedimentary rock and it occurs by because there is nothing there for it todo there

Explanation:

A planes kaverage speed between two cities is 610 km/hr. If the trip takes 2. 25 hrs. How far dose the plane fly

Answers

A planes average speed between two cities is 610 km/hr. If the trip takes 2. 25 hrs, then the distance covered by a plane is  1372.5 kilometers.

To calculate the distance the plane flies, we can use the formula:

Distance = Speed × Time

Given that the average speed of the plane is 610 km/hr and the trip takes 2.25 hours, we can substitute these values into the formula to find the distance.

Distance = 610 km/hr × 2.25 hrs

To multiply these values, we need to align the units correctly. By canceling out "hrs" in the numerator and denominator, we get:

Distance = 610 km × 2.25

Multiplying 610 km by 2.25 gives us:

Distance = 1372.5 km

Therefore, the plane flies a distance of 1372.5 kilometers.

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Given that a plane's average speed between two cities is 610 km/hr and the trip takes 2.25 hrs. We are to find the distance covered by the plane The plane flies 1372.5 km

Let's find the solution to this problem .The formula for distance, speed and time isd

= s * there,

d = distance covered by the planes

= speed t

= time taken

Substituting the given values, we have610 × 2.25 = 1372.5 km

Hence, the plane flies 1372.5 km.

Given that a plane's average speed between two cities is 610 km/hr and the trip takes 2.25 hrs. We are to find the distance covered by the plane

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As the volume of a gas increases, its pressure
(Assume all other factors are held constant).

Answers

As the volume of a gas increases so does the pressure

The number after oxygen is called a what in this reaction 2AI2O3(s)+energy 4AI(s) +302(g) ??
Will give 15 pointssss need it ASAP.

Answers

Answer:

A subscript

Explanation:

it tells you how many oxygen molecules there are in the equation

Which statement does NOT explain the concept of the Doppler Effect? A. As an observer moves away from a stationary sound, the sound waves are stretched making the pitch lower. B. As an observer approaches a stationary sound, the sound waves are compressed, making the pitch higher. C. As a sound source approaches a stationary object, the sound waves are compressed, making the pitch higher. D. As a sound source moves away from a stationary object, the sound waves are compressed, increasing the pitch.

Answers

Answer:

  D

Explanation:

When the sound is moving away from the stationary object the pitch decreases according to the Doppler Effect.

A farmer is walking through a field at a
velocity of +0.5 meters per second (m/s)
relative to the ground. At the same time, he
is throwing seeds in front of him at a
velocity of +2.1 m/s relative to himself.
What is the velocity of the seeds relative to
the ground as they travel through the air?

Answers

Answer:

The velocity of the seeds relative to the ground as they travel through the air is V = +2.6 m/s

Explanation:

Let V be the velocity of the seeds relative to the ground, v be the velocity of the seeds relative to the farmer and v' be the velocity of the farmer relative to the ground.

By vector addition, V = v + v'

Since  v = the velocity of the seeds relative to the farmer = +2.1 m/s and

v' = the velocity of the farmer relative to the ground = +0.5 m/s

Then,

V = v + v'

V = +2.1 m/s + (+0.5 m/s)

V = +2.6 m/s

So, the velocity of the seeds relative to the ground as they travel through the air is V = +2.6 m/s

Most planets in our solar system, and many dwarf planets as
well, have moons. What makes a moon different from a planet in
terms of its definition? Which moon of our solar system do YOU
think is the m

Answers

A moon is defined as a natural satellite orbiting around a planet. It is a celestial body that orbits around a planet or a dwarf planet in our solar system. What makes a moon different from a planet is that moons do not orbit around the sun. They orbit around a planet or a dwarf planet instead.

In addition, moons are smaller than planets and do not have their own atmosphere. Moons can be rocky or icy and can be made up of different types of materials such as dust, rock, ice, and gas. They are formed through various processes such as accretion, collision, capture, and fission. Out of all the moons in our solar system, I think that the moon of our Earth is the most interesting.

The moon of the Earth is the only natural satellite of our planet. It is about one-quarter the size of the Earth and is about 238,855 miles away from the Earth. It has a rocky and dusty surface, with many craters, mountains, valleys, and seas. The moon has played an important role in the history of human civilization, serving as a source of light, a calendar, and an object of scientific study. It has been explored by humans and robots, revealing many secrets of its geology, composition, and history.

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charge q1 is distance s from the negative plate of a parallel-plate capacitor. charge is distance 2s from the negative plate. what is the ratio of their potential energies?

Answers

The electric potential energy, U, of two point charges is given by the equation, U = kq1q2/r where k is Coulomb's constant, q1 and q2 are the charges and r is the distance between the two charges. Now, let's solve the question using this equation. There are two charges, q1 and q2, and a parallel plate capacitor between them. The distance of q1 from the negative plate is s, and the distance of q2 from the negative plate is 2s. The charges have the same magnitude of charge, so let's assume q1 = q2 = q. Using the formula mentioned earlier, we get U1= kq^2/sU2= kq^2/2s. Therefore, the ratio of their potential energies is U2/U1= kq^2/2s / kq^2/sU2/U1= (kq^2/2s) × (s/kq^2)U2/U1= 1/2.

Therefore, the ratio of their potential energies is 1:2.

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A power station that is being started up for the first time generates 6120 MWh of energy over a 10 hour period. (i) If the rated power at full capacity is 660 MW, calculate how long it takes the power station to reach its full power output. (You may assume a constant increase in power from zero to full power) (ii) State what type of power station can be started up fastest and explain why the start-up times for other types of power station are slower. Explain briefly, how this is relevant to optimising the usage of windfarms. c) What is the Bremsstrahlung effect and how can it be avoided in shielding design? d) Sketch the electromagnetic field output from an antenna, describing in detail the two main regions in the output field.

Answers

(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.

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A neutron and a proton combine to form a nucleus. Why does the mass of the
nucleus differ from the sum of the masses of the individual nucleons?
A. The nucleus has less mass, because matter is converted into
binding energy.
B. The nucleus has more mass, because binding energy is converted
into matter.
C. The nucleus has less mass, because binding energy is converted
into matter.
D. The nucleus has more mass, because matter is converted into
binding energy.

Answers

Answer:

A. The nucleus has less mass, because matter is converted into binding energy.

Explanation:

A neutron and a proton combine to form a nucleus. The reason why the mass of the nucleus differs from the sum of the masses of the individual nucleons is:

A. The nucleus has less mass, because matter is converted into binding energy.

The process of combining a neutron and a proton to form a nucleus releases a tremendous amount of energy, called binding energy. According to Einstein's theory of relativity, this energy is equivalent to a certain amount of mass, given by the famous equation E=mc², where E is energy, m is mass, and c is the speed of light. The mass of the nucleus is therefore slightly less than the sum of the masses of the individual nucleons because some of the mass has been converted into binding energy. This effect is known as mass defect, and it is responsible for the stability of atomic nuclei. Therefore, the correct answer is A.

A cannon ball is launched from the edge of a cliff that is 6 m above the ground. It has a
horizontal velocity of 10.2 m/s. It takes 3.7 s for the cannonball to reach the ground.
How far from the cliff does it land?
Record your answer to the nearest hundredth.

Answers

Answer:

Sh = Vh t         horizontal distance traveled

Sh = 10.2 m/s * 3.7 s = 37.74 m

Which material will heat up the most quickly if placed near a heat source?
Rubber
Plastic
Glass
Metal

Answers

Answer:

Metal

Explanation:

Just answered on Apex

Metal is the material will heat up the most quickly if placed near a heat source. Option D is correct.

What is heat ?

The movement of energy from a hot to a cold item is characterized as heat. Heat energy flows from a hot material to a cold one.

This occurs because faster-vibrating molecules transmit their energy to slower-vibrating ones. Heat content is another name for vibrational energy.

It is hot or chilly depending on how much heat is there in the body. The body will be hotter as the heat content increases. The movement of energy from a hot to a cold item is characterized as heat.

The heat flow in the material is due to the free electrons. In the metal, no of free electron is highest. Metal is the material will heat up the most quickly if placed near a heat source.

Hence, option D is correct.

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If the force of gravity between the two objects is 48 units and the mass of object x is 4 units,what is the mass of object y

Answers

If the force of gravity between two objects is 48 units and the mass of object x is 4 units, we can use Newton's law of universal gravitation to determine the mass of object y.

The equation for the force of gravity is:

Force of Gravity = (G * Mass of Object x * Mass of Object y) / Distance^2

Given that the force of gravity is 48 units and the mass of object x is 4 units, we can rearrange the equation as follows:

48 = (G * 4 * Mass of Object y) / Distance^2

Since we don't have the value for the distance between the objects, we cannot directly calculate the mass of object y with the given information. The mass of object y depends on the distance between the two objects, which is not provided in the question.

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A 0.225 kg block of iron at -28.7 °C is put in a cup of 0.150 kg of water at 18.9 °C. What is their equilibrium temperature?

Answers

Answer:

12.3°C should be the correct answer

Answer:

12.3

Explanation:

Suppose you pour water into a container until it reaches a depth of 10 cm. Next, you carefully pour in a 9.5 cm thickness of olive oil so that it floats on top of the water. What is the pressure at the bottom of the container? Express your answer using two significant figures.

Answers

The pressure at the bottom of the container, considering both the water and olive oil layers, can be calculated by taking into account the depth and the densities of the two liquids. The pressure at the bottom of the container will be the sum of the pressures due to the water and the olive oil layers.

The pressure at a certain depth in a fluid is given by the equation P = ρgh, where P is the pressure, ρ is the density of the fluid, g is the acceleration due to gravity, and h is the depth. In this case, we have two layers of fluids with different densities, water and olive oil.

First, we calculate the pressure due to the water layer. The density of water is approximately 1000 kg/m³, and the depth of the water layer is 10 cm (or 0.1 m). Using the equation P = ρgh, the pressure due to the water layer is Pwater = (1000 kg/m³)(9.8 m/s²)(0.1 m) = 98 Pa.

Next, we calculate the pressure due to the olive oil layer. The density of olive oil is approximately 900 kg/m³, and the depth of the olive oil layer is 9.5 cm (or 0.095 m). Using the equation P = ρgh, the pressure due to the olive oil layer is Poil = (900 kg/m³)(9.8 m/s²)(0.095 m) = 833.4 Pa.

Finally, we add the pressures from both layers to find the total pressure at the bottom of the container: Ptotal = Pwater + Poil = 98 Pa + 833.4 Pa = 931.4 Pa.

Therefore, the pressure at the bottom of the container, considering both the water and olive oil layers, is approximately 931.4 Pa.

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according to the general theory of relativity applied to the universe as a whole, the redshift of the galaxies is correctly interpreted as

Answers

It is correctly interpreted as the Gravitational redshift .

Albert Einstein evolved the overall concept of relativity from 1907 to 1915. the overall idea of relativity is also known as the principle of gravitation. in line with this principle, the gravitational pressure among two of our bodies absolutely depends on their hundreds and on the distance between two bodies.

He additionally observed that time and area are interlinked to each other and are known as space-time. Through the equation of the overall principle of relativity, he found that huge objects brought on a distortion in area-time. In 1915, Einstein derived the field equation associated with the curvature of spacetime with the electricity, mass, and any momentum inside it.

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A 70.0 kg astronaut is training for accelerations that he will experience upon reentry. He is placed in a centrifuge (r = 10.0 m) and spun at a constant angular velocity of 16.3 rpm. Answer the following:
What is the angular velocity of the centrifuge in rad/s ?
What is the linear velocity of the astronaut at the outer edge of the centrifuge?
What is the centripetal acceleration of the astronaut at the end of the centrifuge?
How many g’s does the astronaut experience?
What is the centripetal force and net torque experienced by the astronaut? Give magnitudes and directions.

Answers

The astronaut faces 1.71 rad/s angular velocity, 17.1 m/s linear velocity, 29.2 centripetal acceleration, 3 g's are experienced, and 2044 N of centripetal force. The torque experienced is zero

What is rotational motion?

An object is said to be in rotational motion when it is travelling in a circular route around a fixed axis. Centrifugal force is a radially outward force that the item experiences as a result of this motion.

The image given below explains the conversion. The torque is zero since there is no tangential force.

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A 70.0 kg astronaut is training for accelerations that he will experience upon reentry. He is placed

Match the nutrient with its food source.
Vitamin A
saturated fat
trans fat
sodium
butter
arrowRight
doughnut
arrowRight
carrots
arrowRight
salt
arrowRight

Answers

Nutrition is the study of the nutrients found in food, how the body utilizes the nutrients. The matching can be done as

vitamin A = Carrots

saturated fat = butter

trans fat = doughnut

Sodium = Salt

What is nutrient?

Nutrition is the study of the nutrients found in food, how the body utilizes the nutrients, and how diet affects health and illness. Nutritionists research how foods influence the human body using ideas spanning molecular biology, biochemistry, as well as genetics.

In addition, nutrition studies how individuals may utilize their food to lower their risk of developing disease, what occurs when they take excessive or inappropriate amounts of a nutrient, as well as how allergies operate. But at the other hand, nutrients nourish the body. The matching can be done as

vitamin A = Carrots

saturated fat = butter

trans fat = doughnut

Sodium = Salt

Therefore, the matching can be done as

vitamin A = Carrots

saturated fat = butter

trans fat = doughnut

Sodium = Salt

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How can the density of an object be determined?”

Answers

Answer:

First you need to know the mass (grams) of the object and its volume, then what you do is  Divide the mass by the volume in order to get an object's Density.

Explanation:

hope that helped good luck :)

Answer:

m/p, aka mass/volume.

Explanation:

for example if you had an object that had a mass of 10 and volume of 5, the density of that object would be 10/5, or 2.

Mr. Temper, a 5-foot, 4-inch, 100-pound hothead, tells Mr. Big, a 300-pound professional wrestler, that he is going to "make him regret he set foot in this bar." At the same time, Temper clenches and raises his fists. Big looks at Temper from head to toe and responds, "yeah, right." Big can sue Temper for: a. assault

b. battery

c. assault and battery

d. Big has no cause of action

Answers

Big has no cause of action against Temper. In this scenario, while Temper may have made a verbal threat and raised his fists in a confrontational manner, there is no indication that he physically touched or harmed Big.

Assault refers to the act of intentionally causing apprehension or fear of imminent harmful or offensive contact. Battery, on the other hand, involves the intentional and harmful or offensive physical contact with another person without their consent.

In this case, Temper's actions may constitute assault due to the verbal threat and raising his fists, creating an atmosphere of fear or apprehension. However, since no physical contact or harm occurred, battery is not applicable. Therefore, the appropriate response is option d: Big has no cause of action against Temper.

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A beam of blue light causes photoelectrons to be emitted from a photoemissive surface. An increase in the intensity of the blue light will cause an increase in the__.

Answers

A beam of blue light causes photoelectrons to be emitted from a photoemissive surface. An increase in the intensity of the blue light will cause an increase in the number of photoelectrons emitted. Therefore, an increase in the intensity of blue light will cause an increase in the light intensity.

What is light? Light is a type of electromagnetic radiation that travels in waves at a velocity of 299,792 kilometers per second (km/s) in a vacuum. It is a form of energy and, like all forms of energy, can be transferred. Light, like other electromagnetic waves, has both electric and magnetic fields that oscillate perpendicularly to one another at right angles.Light has a very important property, which is its intensity. The amount of light that passes through a given area or space per unit time is known as light intensity. It is the amount of light energy that falls on a unit area in a given time. The energy of light, like all energy, can be described in terms of photons.

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If we have a velocity of 20 m/s and our acceleration is -5 m/s, then after 2 seconds our velocity will be....
a) 15 m/s
b) 40 m
c) 10 m/s
d) -10 m/s

Answers

Answer:

v = 10 m/s

Explanation:

We have,

Our initial velocity is 20 m/s

Our acceleration, \(a=-5\ m/s^2\)

It is required to find the velocity after 2 seconds. It is a concept based on equation of kinematics. Using first equation:

\(v=u+at\)

Plugging all the known values

\(v=20+(-5)(2)\\\\v=10\ m/s\)

So, our final velocity is 10 m/s.

If the average temperature of the sun increased, the wavelength of peak solar emission would:
A. Shift to a shorter wafelenght B.Shift to a longer wafelenght C. Remain the same D. Impossible to tell form given information

Answers

Option A, which states that the wavelength of peak solar emission would shift to a shorter wavelength, is the correct answer.

If the average temperature of the sun increased, the wavelength of peak solar emission would shift to a shorter wavelength. This is because the temperature of the sun is directly proportional to the wavelength of peak solar emission. As the temperature increases, the energy emitted by the sun shifts towards shorter wavelengths.

This phenomenon is known as Wien's displacement law. According to this law, the wavelength of maximum emission is inversely proportional to the temperature of the emitting body. So, if the temperature of the sun increases, the wavelength of peak solar emission would shift towards the shorter end of the spectrum.

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The anode of an x ray tube i at a potential of 125 000 V with repect to the cathode. A) How much work i done by the electric force when an electron i accelerated from the cathode to the anode? b) If the electron i initially at ret, what kinetic energy doe the electron have when it arrive at the anode?

Answers

A) The work done by the electric force on an electron is equal to the change in its electrical potential energy, which is equal to the potential difference between the cathode and the anode multiplied by the charge of the electron.

W = qV = (1.6 x 10^-19 C)(125 000 V) = 2 x 10^-14 J

B) The kinetic energy of an object is given by the equation KE = 1/2 mv^2. If the electron is initially at rest, its final kinetic energy is equal to the work done on it by the electric force, since all the energy used to accelerate it is converted to kinetic energy.

KE = W = 2 x 10^-14 J

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For a community/service area of 200,000 people, calculate the amount:
I. Total MSW generated each year, in pounds? Tons?
II Total MSW currently recycled each year, in pounds? Tons?
III. The amount of MSW which could realistically be diverted from the landfill if recycling were maximized, to the nearest pound.

Answers

For a community/service area of 200,000 people, the amount of total MSW generated each year can be estimated by assuming each person generates an average of 4.4 pounds of waste per day. Therefore, the total MSW generated per year would be around 3,080,000,000 pounds or 1,540,000 tons.

Currently, the total MSW being recycled is estimated to be around 34% of the total waste generated. Therefore, the total MSW currently recycled each year would be approximately 1,047,200,000 pounds or 523,600 tons.

If recycling were maximized, it is estimated that around 75% of the waste generated could be diverted from landfills. This means that approximately 2,310,000,000 pounds or 1,155,000 tons of MSW could be diverted from landfills and recycled instead. However, this estimation is subject to various factors, including the availability of recycling facilities and the willingness of the community to recycle.

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Calculate the energy per photon (in J) associated with a frequency of 1260kHz Submit answer in scientific notation using the foat 0.00×10∧ 0(e.g.0.000123=1.23×10 ∧
−4). Omit units and spaces.

Answers

The energy per photon associated with a frequency of 1260 kHz is 2.10×10^-25 J.

To calculate the energy per photon, we can use the equation: E = hf, where E represents the energy, h is the Planck's constant (6.62607015 × 10^-34 J·s), and f is the frequency of the photon. Given that the frequency is 1260 kHz, we need to convert it to hertz (Hz) by multiplying it by 10^3:

Frequency = 1260 kHz × 10^3 = 1.26 × 10^6 Hz

Now, we can substitute the values into the equation:

E = (6.62607015 × 10^-34 J·s) × (1.26 × 10^6 Hz)

E = 8.33929859 × 10^-28 J

The answer is given in scientific notation as 8.34 × 10^-28 J. However, the question specifically asks for the answer in the format of 0.00×10^0. To achieve this, we can multiply the result by 10^3 and adjust the exponent accordingly:

E = (8.33929859 × 10^-28 J) × (10^3)

E = 8.33929859 × 10^-25 J

Thus, the energy per photon associated with a frequency of 1260 kHz is 2.10×10^-25 J.

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