how fast must a nonrelativistic electron move so its de broglie wavelength is the same as the wavelength of a 3.4-ev photon?

Answers

Answer 1

Answer:

1990.47 m/s

Explanation:

Answer 2

Answer: the answer is in the screen shots

Explanation:

How Fast Must A Nonrelativistic Electron Move So Its De Broglie Wavelength Is The Same As The Wavelength
How Fast Must A Nonrelativistic Electron Move So Its De Broglie Wavelength Is The Same As The Wavelength

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voyager 1 is a space probe launched by nasa in 1977 and is the farthest human-made object. it experiences negligible gravity. voyager 1 is propelled by thrusters but will run out of fuel by 2040. what will happen to voyager 1 after this date?multiple select question.the velocity of voyager 1 will remain unchanged.voyager 1 will slow down from the velocity it will have when the fuel runs out.voyager 1 will immediately stop.voyager 1 will continue moving with the speed it will have when the fuel runs out.

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Voyager 1 will continue moving with the speed it will have when the fuel runs out. The probe is traveling through the vacuum of space, where there is negligible gravity and no significant air resistance to slow it down.

Without the ability to adjust its trajectory, Voyager 1 will continue on its current path indefinitely unless it encounters a gravitational field that alters its trajectory. The probe may eventually drift off course and potentially collide with other celestial objects in its path. While Voyager 1 will continue to communicate data to Earth until its systems eventually fail, it will eventually become just another piece of space debris, floating silently through the cosmos.

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help me please oml 2 one

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Color: Both the bromine gas and steak have a brownish color.

What is bromine gas?

Bromine gas is a reddish-brown, nonflammable, and highly toxic gas with a very strong, unpleasant odor. It is composed of two heavy, diatomic, halogen molecules, Br2, and is the only nonmetal element that exists as a liquid at room temperature. Bromine gas is denser than air and is soluble in water and organic solvents.

Texture: The bromine gas is a gas and therefore has no texture, while the steak is solid and has a firm texture.
Temperature: The bromine gas is a gas and therefore has a lower temperature than the steak, which is at room temperature.
Bromine Gas and Juice:
Color: The bromine gas is brownish and the juice is a yellowish or orange color.
Texture: The bromine gas is a gas and therefore has no texture, while the juice is a liquid and has a smooth texture.
Temperature: The bromine gas is a gas and therefore has a lower temperature than the juice, which is at room temperature.

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maxwell's equations are a complete description of electric and magnetic fields. how many equations are there?

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Maxwell's equations are a complete description of electric and magnetic fields. There are four equations in Maxwell's equations. These four equations are:

1. Gauss's Law for Electric Fields: Describes the relationship between electric charges and the electric field produced by them.
2. Gauss's Law for Magnetic Fields: States that there are no magnetic monopoles, and the magnetic field lines are always closed loops.
3. Faraday's Law of Electromagnetic Induction: Describes the induced electromotive force (EMF) in a closed circuit produced by a changing magnetic field.
4. Ampere's Law with Maxwell's Addition: Relates the magnetic field around a closed loop to the electric current passing through the loop and the rate of change of the electric field.

These four equations collectively provide a comprehensive description of electric and magnetic fields and their interactions.

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How might you utilize your recently acquired knowledge from PSIO 305 to make a daytime hike in the 49 degree Celsius Mojave Desert non-deadly?
Question options:
all of the above
decrease surface area to maximize convection
take medication to suppress aldosterone
drink lots of water to increase evaporative water loss
take off your shirt to increase radiative heat loss

Answers

One should drink a lot of water to maximise evaporative water loss in order to make a day walk in the Mojave Desert, where the temperature is 49 degrees Celsius, not fatal.

This will support hydration levels maintenance and temperature control. Wearing loose, light-colored clothing, taking breaks in the shade, and taking off your shirt to promote radiative heat loss can also help reduce surface area to maximise convection. However, it is not advised to take aldosterone-suppressing medication without a doctor's supervision.

Human physiology, which is covered in PSIO 305, teaches students how the body functions in various situations. The body may be subjected to intense heat in the Mojave Desert, which can cause dehydration and disorders associated with heat. Staying hydrated and controlling body temperature through sweating and evaporative water loss are crucial to avoiding this. Reduce heat absorption by dressing appropriately, taking rests in the shade, and using air conditioning. Aldosterone is a hormone that controls electrolyte balance; nevertheless, taking medicine to inhibit it might have consequences and is not advised without a doctor's supervision.

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One should drink a lot of water to maximise evaporative water loss in order to make a day walk in the Mojave Desert, where the temperature is 49 degrees Celsius, not fatal.  Option d.

This will support hydration levels maintenance and temperature control. Wearing loose, light-colored clothing, taking breaks in the shade, and taking off your shirt to promote radiative heat loss can also help reduce surface area to maximise convection. However, it is not advised to take aldosterone-suppressing medication without a doctor's supervision.

Human physiology, which is covered in PSIO 305, teaches students how the body functions in various situations. The body may be subjected to intense heat in the Mojave Desert, which can cause dehydration and disorders associated with heat. Staying hydrated and controlling body temperature through sweating and evaporative water loss are crucial to avoiding this.

Reduce heat absorption by dressing appropriately, taking rests in the shade, and using air conditioning. Aldosterone is a hormone that controls electrolyte balance; nevertheless, taking medicine to inhibit it might have consequences and is not advised without a doctor's supervision.

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Full Question: How might you utilize your recently acquired knowledge from PSIO 305 to make a daytime hike in the 49 degree Celsius Mojave Desert non-deadly?

a. decrease surface area to maximize convection

b. all of the above

c. take medication to suppress aldosterone

d. drink lots of water to increase evaporative water loss

e. take off your shift to increase radiative heat loss

A 60-kg swimmer suddenly dives horizontally from a 150-kg raft with a speed of 1. 5 m/s. The raft is initially at rest. What is the speed of the raft immediately after the diver jumps if the water has negligible effect on the raft?

Answers

The speed of the raft immediately after the diver jumps is 0.6 m/s.

After the swimmer jumps, the momentum of the system is still conserved, but it is no longer zero, since the swimmer is now moving. We can use the equation:

(m1v1 + m2v2)before = (m1v1 + m2v2)after

We want to solve for v2, velocity of the raft immediately after the jump.

Before jump, velocity of  raft is zero, so we can simplify  equation to:

m1v1 = m2v2

Substituting in  values we know, we get:

60 kg * 1.5 m/s = 150 kg * v2

Simplifying, we get:

v2 = (60 kg * 1.5 m/s) / 150 kg = 0.6 m/s

So the speed of the raft immediately after the diver jumps is 0.6 m/s.

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another capacitor, identical to the original, is added in series to the circuit described in the passage. compared to the original circuit, the equivalent capacitance of the new circuit is:

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The equivalent capacitance of the new circuit with an identical capacitor added in series is half of the original circuit's capacitance.

When a second capacitor, identical to the original, is added in series to the circuit, the equivalent capacitance of the new circuit is reduced. This is because the total capacitance in a series circuit is always less than the individual capacitances. The formula for calculating the equivalent capacitance of a series circuit is:

[tex]1/Ceq = 1/C1 + 1/C2 + ... + 1/Cn[/tex]

Where C1, C2, ..., Cn are the capacitances of the individual capacitors.

Adding another capacitor in series to the circuit means that the equivalent capacitance will be smaller, and the total charge stored in the circuit will be less. This will affect the behavior of the circuit when connected to a voltage source, as it will take less time to charge and discharge.

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A loose spiral spring carrying no current is hung from a ceiling. When a switch is thrown so that a current exists in the spring, do the coils move closer together move farther apart not move at all

Answers

The coils in the spring will move farther apart when a current is passed through it because of the solenoid effect.

The solenoid effect describes the way a loose spiral spring expands when a current is fed through it. An electric current flows through a coil of wire to create a solenoid, a type of electromagnet. A magnetic field is produced when current passes through the coil, and the magnetic field lines are parallel to the axis of the coil. The amount of current flowing through the coil and the number of wire turns within the coil determines how strong the magnetic field is.

Because a loose spiral spring behaves like a coil of wire, the solenoid effect is seen in this situation. The magnetic field that is created around a spring when a current is sent through it has lines that are parallel to the spring's axis. The interaction between the magnetic field and the spring's current produces a force that pushes the coils apart.

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A mass of 25. 0 kg is acted upon by two forces: is 15. 0 n due east and is 10. 0 n and due north. The acceleration of the mass is

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the acceleration of the mass is 0.7212 m/s^2.

To find the acceleration of the mass, we need to first determine the net force acting on it. We can do this by using vector addition to add the two forces together.

Using the Pythagorean theorem, we can find the magnitude of the diagonal force:

sqrt[[tex](15N)^{2}[/tex] + [tex](10N)^{2}[/tex]] = sqrt[225 + 100] = sqrt(325) = 18.03 N

The direction of this force can be found using the inverse tangent function:

theta =[tex]tan^{-1}(10.0N/15.0N)[/tex] = 33.69 degrees north of east

We can now use vector addition to find the net force on the mass:

F_net = sqrt[[tex](15N)^{2}[/tex] + [tex](10N)^{2}[/tex]] = 18.03 N, at an angle of 33.69 degrees north of east

To find the acceleration of the mass, we can use Newton's second law, which states that the net force acting on an object is equal to its mass times its acceleration:

F_net = ma

Solving for the acceleration, we get:

a = F_net / m = 18.03 N / 25.0 kg = 0.7212 m/s^2

Therefore, the acceleration of the mass is 0.7212 m/s^2.

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T/F : Staleness and burnout are not associated with overtraining.

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False. Staleness and burnout are often associated with overtraining, which occurs when an individual exceeds their capacity to recover from intense physical training or activity.

Overtraining can lead to physical and psychological symptoms, including decreased performance, fatigue, irritability, and decreased motivation. It is important for individuals to listen to their bodies and take rest and recovery periods to prevent overtraining and associated symptoms.

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consider the picture above of mars's orbit around the sun. which spot shows where mars will be when we see it in retrograde motion on earth?

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When retrograde motion occurs and how it is related to Mars's orbit around the Sun:

Retrograde motion occurs when a planet appears to move backward in the sky from Earth's perspective. In the case of Mars, this happens when Earth overtakes Mars in their respective orbits around the Sun.

To understand when Mars will be in retrograde motion, consider these steps:

1. Picture both Mars and Earth orbiting the Sun, with Mars having a larger, slower orbit due to its greater distance from the Sun.
2. As Earth moves faster in its orbit, it eventually catches up to and passes Mars.
3. During this time, the relative positions of Earth, Mars, and the Sun create the illusion of Mars moving backward in the sky, as seen from Earth.

So, when trying to identify the spot where Mars will be in retrograde motion, look for the point in its orbit where Earth is passing Mars, creating the optical illusion of Mars moving backward in the sky.

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a student is 2.50m away from a convex lens while her image is 1.80m from the lens, what is the focal length?

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To find the focal length of a convex lens, we can use the formula:
1/f = 1/di + 1/do

Where f is the focal length, di is the distance of the image from the lens, and do is the distance of the object from the lens.

We are given that the student is 2.50m away from the lens, so do = 2.50m. We are also given that the image is 1.80m from the lens, so di = 1.80m.

Plugging these values into the formula, we get:
1/f = 1/1.80 + 1/2.50

Simplifying this equation, we get:
1/f = 0.5556

Multiplying both sides by f, we get:
f = 1.80 / 0.5556

Solving for f, we get:
f ≈ 3.24 meters

Therefore, the focal length of the convex lens is approximately 3.24 meters.

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A convex lens is 1.80 meters from a student who is 2.50 meters distant, and its focal length is 1.04 meters.

To solve this problem, we can use the lens equation:

1/f = 1/do + 1/di

where f is the focal length of the lens, do is the object distance (distance of the object from the lens), and di is the image distance (distance of the image from the lens).

In this problem, the object distance is do = 2.50 m and the image distance is di = 1.80 m. We can plug these values into the lens equation and solve for the focal length:

1/f = 1/do + 1/di

1/f = 1/2.50 + 1/1.80

1/f = 0.4 + 0.56

1/f = 0.96

f = 1/0.96

f ≈ 1.04 meters

Therefore, the focal length of the convex lens is approximately 1.04 meters.

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The majority of Venus's surface is:
A. volcanic plains with flowing lava.
B large, flat mesas with tiny valleys.
C. thick, soupy clouds of hydrogen.
D. frozen dunes of dust and sand.​

Answers

Answer:

C.

Explanation:

When Venus surface get bit cold when weather hits the planet gets soupy clouds and etc.

when does a star become a main-sequence star? when the rate of hydrogen fusion within the star's core is high enough to maintain gravitational equilibrium when hydrogen fusion is occurring throughout a star's interior when the protostar assembles from a molecular cloud when a star becomes luminous enough to emit thermal radiation the instant when hydrogen fusion first begins in the star's core

Answers

Answer: hope it helps

Explanation:

A protostar becomes a main sequence star when its core temperature exceeds 10 million K. This is the temperature needed for hydrogen fusion to operate efficiently.

A wire, of length L = 3. 8 mm, on a circuit board carries a current of I = 2. 54 μA in the j direction. A nearby circuit element generates a magnetic field in the vicinity of the wire of B = Bxi + Byj + Bzk, where Bx = 6. 9 G, By = 2. 6 G, and Bz = 1. 1 G. A) Calculate the i component of the magnetic force Fx, in newtons, exerted on the wire by the magnetic field due to the circuit element.

B) Calculate the k component of the magnetic force Fz, in newtons, exerted on the wire by the magnetic field due to the circuit element.

C) Calculate the magnitude of the magnetic force F, in newtons, exerted on the wire by the magnetic field due to the circuit element

Answers

The i component of the magnetic force on the wire is 1.06 × 10^-13 N. The k component of the magnetic force on the wire is 6.69 × 10^-14 N. The magnitude of the magnetic force on the wire is 1.26 × 10^-13 N.

To calculate the i component of the magnetic force, we use the formula:

F = I * L x B

where I is the current, L is the length of the wire, B is the magnetic field, and x represents the cross product.

The cross product of L and B gives a vector perpendicular to both L and B, which is in the i direction. So we only need to find the magnitude of the cross product and multiply it by I to get Fx.

|L x B| = |L| |B| sinθ

where θ is the angle between L and B. Since L is in the j direction and B has i and k components, we have:

|L x B| = L * Bz = (3.8 × 10^-3 m) * (1.1 × 10^-4 T) = 4.18 × 10^-8 N

Then, Fx = I * |L x B| = (2.54 × 10^-6 A) * (4.18 × 10^-8 N) = 1.06 × 10^-13 N

To calculate the k component of the magnetic force, we use the same formula and take the k component of the cross product:

|L x B|k = |L| |B| sin(π/2) = |L| |B| = (3.8 × 10^-3 m) * (6.9 × 10^-5 T) = 2.63 × 10^-7 N

Then, Fz = I * |L x B|k = (2.54 × 10^-6 A) * (2.63 × 10^-7 N) = 6.69 × 10^-14 N

The magnitude of the magnetic force is given by,

F = sqrt(Fx^2 + Fz^2) = sqrt((1.06 × 10^-13 N)^2 + (6.69 × 10^-14 N)^2) = 1.26 × 10^-13 N

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Which of these objects is an insulator?
b. copper coin
d. steel fork
a. gold ring
C. glass rod

Answers

Answer:

C

Explanation:

Glass is one of the objects included in an insular so glass rod will be the final ans.

Answer: C; glass rod.
Explanation: Glass is an insulator, while the others are conductors, meaning that it allows electrons to flow in. Insulators do the opposite, meaning that they block the flow of electrons. Hope that helped!

5. Explain the law of conservation of energy using a relevant example from every day life.​

Answers

The law of conservation of energy states that energy is neither created nor destroyed but is transformed from one form to another.

What is law of conservation of energy?

The law of conservation of energy is the law that states that energy is neither created nor destroyed but is transformed from one form to another.

Examples of activities of everyday life that shows the conservation of energy include the following:

For loudspeaker, electrical energy is converted into sound energy.

For a microphone, sound energy is converted into electrical energy.

For a generator, mechanical energy is converted into electrical energy.

When fuels are burnt, chemical energy is converted into heat and light energy

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An example of the law of conservation of energy is a roller coaster.

What is the law of conservation of energy?

The law of conservation of energy states that energy cannot be created or destroyed, only transferred or transformed from one form to another. This means that the total amount of energy in a closed system remains constant over time.

A roller coaster car gains kinetic energy as it moves down the track, but it also loses potential energy. At the bottom of the track, the car has the most kinetic energy and the least potential energy, while at the top of the track, it has the most potential energy and the least kinetic energy. However, the total amount of energy in the system remains constant.

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what does the technique of interferometry allow?what does the technique of interferometry allow?it allows two or more telescopes to obtain a total light-collecting area much larger than the total light-collecting area of the individual telescopes.it allows us to determine the chemical composition of stars.it allows two or more telescopes to obtain the angular resolution of a single telescope much larger than any of the individual telescopes.it allows the same telescope to make images with both radio waves and visible light.it allows astronomers to make astronomical observations without interference from light pollution.

Answers

The technique of interferometry allows two or more telescopes to obtain the angular resolution of a single telescope much larger than any of the individual telescopes.

This is achieved by combining the signals received by the telescopes to create a single image with a higher resolution. Interferometry is especially useful for studying objects with small angular sizes, such as stars and planets.

Additionally, interferometry allows astronomers to make astronomical observations without interference from light pollution, as it can separate the signals from the object being observed from the background light.

However, interferometry does not directly determine the chemical composition of stars, although it can provide information about their temperature and other physical properties.

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rylie is a newly hired cybersecurity expert for a government agency. rylie used to work in the private sector. she has discovered that, whereas private sector companies often had confusing hierarchies for data classification, the government's classifications are well known and standardized. as part of her training, she is researching data that requires special authorization beyond normal classification. what is this type of data called? group of answer choices the key outputs of the shortterm financial planning process are the ________. what is the pure-play approach? multiple choice question. if a project is significantly different from a firm's current operations, then a new firm should be created for that project. finding a firm (or firms) that are in the same line of business as a new project and using that firm's wacc's as the project wacc. if a project is significantly different than a firm's current projects, then management should estimate the value of beta. finding a firm (or firms) that are in the same line of business as a new project and using that firm's beta as the project beta. Using trig to find angles.Solve for x. Round to the nearest tenth of a degree, if necessary. 4.1 Meaning of citizenship 3.) What spurred the growthof Virginia?a) tobaccob) coal miningc) new farmland forfarmersd) new urban areas weredeveloping in desperate need of help!! (i accidentally clicked the first answer) Home values in a town have declined 26% per year for each of the pastfour years. What was the total percentage decrease in home valuesduring the four-year period? Question 10 of 30The Medici family influenced the development of Renaissance art by:OA. founding the first national museum.B. conducting important scientific experiments.OC. selling Italian art in northern Europe.OD. providing patronage for Renaissance artists.SUBMIT The nuclear localization signal is typically a(n) _______, rich in the amino acids_______.a. -helix; Pro, Lys, and Argb. -helix; Leu, Phe, and Glyc. short chain; Lys and Argd. short chain; Phy and Gly A loose spiral spring carrying no current is hung from a ceiling. When a switch is thrown so that a current exists in the spring, do the coils move closer together move farther apart not move at all How do trees interact with other organisms?a.They provide mammals with food.b.They receive shelter from insects.c.They obtain food from other plants.d.All of the above V true or false greater temperature fluctuations are seen in coastal areas due to the marine effect. which vlan will be configured by default on a switch where no other custom configuration has been performed after a company recognizes a need, it develops product ______ that potential suppliers can use to develop their proposals to supply the product. 5 cmFind Surface Area. Rectangles use Aslw or Anbh. Triangles use A=1/ibb.8 cmcm6 cm2 cm148 canA=12.m12 cm10 cmCFirst Part which statement is correct? group of answer choices assessment is only one part of the overall testing process. testing is only one part of the overall assessment process. testing integrates test information with information from other sources. write the reaction in this experiment that shows the greater reactivity of an acid chloride compared to a primary alkyl chloride. Question A scale model of a ramp is a right triangular prism as given in this figure. In the actual ramp, the triangular base has a height of 0.6 yards. What is the surface area of the actual ramp, including the underside? Enter your answer as a decimal in the box. yd Right triangular prism. Each base is a triangle whose legs are 8 in, 5 in, and 5 in. The height of the triangles is 3 in. The prism is oriented so that the side labeled 8 in is on the bottom. The distance between the bases is labeled 4 in. Suppose you want to buy a 15-year, $1,000 par value annual bond with an annual coupon rate of 5%, and pays Interest annually. If the bond has 10 years left to maturity and it is currently quoted at 10What is the annual coupon income on a $1000 par value bond that pays a 5% coupon rate?