electronic sensors with a(n) ? output interface can switch ac or dc without the specific polarity requirements for dc circuits.
Answers
Electronic sensors with a digital output interface can switch AC or DC without the specific polarity requirements for DC circuits.
Electronic sensors with a bidirectional output interface can switch AC or DC without the specific polarity requirements for DC circuits. These sensors can handle both types of currents, making them versatile for various applications.
A device that detects a physical property of interest (such as heat, light, or sound) and converts it into an electrical signal so that it may be measured and used by an electrical or electronic system is known as an electrical sensor, also known as an electronic sensor.
The physical activity that needs to be monitored is converted by a sensor into its electrical counterpart, which is then processed so that the electrical signals may be delivered and further processed with ease. The sensor can emit a binary value indicating whether or not an object is present or a digital or analogue value indicating when a measurement value has been attained.
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Related Questions
A girl tosses a candy bar across a room with an initial velocity of 8.2 m/s and an angle of 56° How far away does it land? a. 6.4 m b. 40 m c. 13 m d. 19 m
Answers
the candy bar will land at a distance of approximately 6.4 meters. thus the correct option is a.
To find the distance at which the candy bar will land, we can use the principles of projectile motion. The horizontal distance traveled by the candy bar can be determined using the horizontal component of its initial velocity, while considering the time of flight. The time of flight can be calculated using the vertical component of the initial velocity and the acceleration due to gravity.
Given,
Initial velocity (V) = 8.2 m/s
Launch angle (θ) = 56°
Acceleration due to gravity (g) = 9.8 m/s²
Using trigonometric relations, we can find the horizontal component of the initial velocity: Vx = V * cos(θ), where V is the magnitude of the initial velocity and θ is the launch angle.
Vx = V * cos(θ)
Vx = 8.2 m/s * cos(56°)
Vx ≈ 8.2 m/s * 0.559
Vx ≈ 4.5878 m/s
Next, we calculate the time of flight using the vertical component of the initial velocity: Vy = V * sin(θ).
Vy = V * sin(θ)
Vy = 8.2 m/s * sin(56°)
Vy ≈ 8.2 m/s * 0.829
Vy ≈ 6.7818 m/s
To determine the time of flight (t), we use the vertical component of the initial velocity:
t = (2 * Vy) / g
t = (2 * 6.7818 m/s) / 9.8 m/s²
t ≈ 1.3859 s
Finally, the horizontal distance traveled can be calculated as d = Vx * t.
d = Vx * t
d = 4.5878 m/s * 1.3859 s
d ≈ 6.3559 m
Therefore, the candy bar will land at a distance of approximately 6.4 meters.
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what is the velocity of a ball right before it hits the ground if it falls from a 2.5 m bookshelf?
Answers
Answer:
vf = 7 m/s
Explanation:
The final velocity of the ball right before it hits the ground can be found by using the third equation of motion:
\(2gh = v_f^2 - v_i^2\)
where,
g = acceleration due to gravity = 9.81 m/s²
h = height = 2.5 m
vf = final velocity = ?
vi = initial velocity = 0 m/s
Therefore,
\(2(9.81\ m/s^2)(2.5\ m) = v_f^2 - (0\ m/s)^2\\v_f = \sqrt{49.05\ m^2/s^2}\\\)
vf = 7 m/s
Two metal spheres are the same size but have different masses. They are dropped simultaneously from a cliff. Compare their accelerations in their fall. Explain your answer.
Answers
According to the law of conservation, both energy and matter are in natural systems. Earth as a whole is a system, in which energy and matter can move from one subsystem to another. As energy and matter are transferred between subsystems, different forms of matter and energy interact. For example, during photosynthesis, carbon is transferred from the into the biosphere, while radiant energy from is being converted into chemical energy. During this process, the amount of carbon remains constant, but some of the radiant energy is transformed into energy.
Answers
According to the law of conservation, both energy and matter are conserved in the natural system. Earth as a whole is a closed system, in which energy and matter can move from one sub-system to another.
As energy and matter are transferred between subsystems, different forms of matter and energy interact. For example, during photosynthesis, carbon is transferred from the atmosphere into the biosphere, while radiant energy from the sun is converted into chemical energy.
During this process, the amount of carbon remains constant, but some of the radiant energy is transformed into electrical energy.
Understanding the Law of Conservation of EnergyBasically, the law of the conservation of energy is one of the laws of Physics which states that energy is eternal, aka eternal, so it can't change all the time, and has the same value both before something happens and after it happens. Well, the existence of this energy can also be changed in form with a magnitude that will always be the same. In this law of conservation of energy, the energy in question is kinetic energy, potential energy, mechanical energy, and others.
The law of the conservation of energy was discovered by a British physicist, James Prescott Joule, which reads: "Energy can neither be created nor destroyed, but can be transferred from one form to another….". That is, an energy involved in chemical and physical processes can experience transfer or change of form.
Example: radiant energy can be converted into heat energy, potential energy can be converted into electrical energy, chemical energy can be converted into electrical energy.
Apart from being eternal or eternal, the existence of energy has several properties, namely:
Energy transformation, meaning that energy can be converted into other forms. Energy transfer, meaning that heat energy can be transferred from one material to another. Energy can be transferred to other objects, especially through a force that causes a shift, that is what is called mechanical energy. Energy is eternal, but cannot be created or destroyed.Learn more about law of conservation at https://brainly.com/question/24131537.
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Answer:
hope this helps
Explanation:
Solid Gas Liquid Fastest Speed drag and drop answer here Medium Speed drag and drop answer here Slowest Speed drag and drop answer here
Answers
Answer:
Gas has the fastest moving particles. Liquid has the second fastest. Solid's particles cannot move.
Explanation:
Gas's molecules are spread apart and have space to move. Liquids have loosely held molecules. Solid's molecules don't move because they are tighly packed.
a long solenoid that has 1,170 turns uniformly distributed over a length of 0.395 m produces a magnetic field of magnitude 1.00 10-4 t at its center. what current is required in the windings for that to occur?
Answers
The current required to produce the magnetic field of 1.00 × 10^-4 Tesla in the solenoid is 0.0263 A.
The formula for the magnetic field produced by a long solenoid is given by,
B = μ0ni
where B is the magnetic field, μ0 is the magnetic constant (4π×10−7 T m A−1), n is the number of turns per unit length, and i is the current in the solenoid.
The number of turns (N) in the solenoid is 1170, the length (L) of the solenoid is 0.395 m, and the magnetic field (B) produced by the solenoid is 1.00 × 10−4 T at its center.
Number of turns per unit length (n) is given by,
n=N/L
n=1170/0.395
n=2962.03 turns/m
B = μ0ni
i = B/(μ0n)
i = (1.00 × 10−4)/(4π×10−7×2962.03)
i = 0.0263 A
Therefore, the current required in the windings of the long solenoid to produce a magnetic field of magnitude 1.00 × 10−4 T at its center is 0.0263 A.
A long solenoid has a uniform distribution of 1,170 turns over a distance of 0.395 meters, and produces a magnetic field of 1.00 × 10^-4 Tesla at its center.
B = μ0ni,
where B is the magnetic field, μ0 is the magnetic constant, n is the number of turns per unit length, and i is the current in the solenoid.
The number of turns per unit length of the solenoid. Number of turns per unit length (n) is given by: n = N/L
n = 1170/0.395 = 2962.03 turns/meter. Now that we know the number of turns per unit length, we can use the same formula to calculate the current required to produce the magnetic field of 1.00 × 10^-4 Tesla in the solenoid.
i = B/(μ0n) = (1.00 × 10^-4)/(4π × 10^-7 × 2962.03) = 0.0263 A. Therefore, the current required to produce the magnetic field of 1.00 × 10^-4 Tesla in the solenoid is 0.0263 A.
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A plane makes a complete circle with a radius of
3622 m in 2.10 min. What is the speed of the plane?
Answers
Answer:
10
Explanation:
Which is the last stage in the life cycle of an average star? (1 point)
A.white drawf
B.super red giant
C. planetary nebula
D.neutron star
Answers
Answer:
The answer is A. White Dwarf
Explanation:
average stars like sun end their life as white dwarf surrounded by disappearing planetary nebula.The Figure 6A-2 Stüve diagram includes lines representing the adiabatic processes of dry (unsaturated) and saturated air. Click on Figure 6A-2 to print or draw on it digitally. Figure 6A-2. Vertical atmospheric (Stüve) chart with adiabats. On the Stüve diagram, the solid, straight green lines from upper left to the lower right represent the dry adiabatic lapse rate: the temperature change of an unsaturated air parcel undergoing vertical motion in the atmosphere. The dashed, curved blue lines from upper left to lower right represent the temperature change of saturated air undergoing vertical motion, the saturated adiabatic lapse rate. Locate an air parcel with a temperature of 17
∘
C and a pressure of 1000mb by placing a dot on the chart on the 1000mb horizontal line where 17
∘
C would occur. 7. If this air rises as unsaturated (dry) air from 1000mb, determine its temperature at 500mb by following the solid, straight green dry adiabatic lapse rate line from the starting point, up to 500mb. At 500mb, the temperature of the unsaturated air parcel is about
∘
C. a. −5 b. −35 c. −45 8. If this air rises as saturated air from 1000mb, determine its temperature at 500mb by following the dashed, curved blue saturated adiabatic lapse rate line passing from the starting point up to 500mb. At 500mb, the saturated air parcel's temperature is approximately
∘
C. a. −15 b. −25 c. −35 9. At 500mb, the temperature of the unsaturated air parcel is the temperature of the saturated air parcel. a. lower than b. the same as c. higher than 10. This comparison demonstrates that rising unsaturated, clear air cools than rising saturated, cloudy air over the same pressure change. a. less b. more
Answers
When an air parcel rises from 1000mb to 500mb, unsaturated air cools to around -35°C, while saturated air cools to approximately -25°C.
On the Stüve diagram, the solid, straight green lines represent the dry adiabatic lapse rate, which indicates the temperature change of an unsaturated air parcel undergoing vertical motion in the atmosphere. The dashed, curved blue lines represent the temperature change of saturated air undergoing vertical motion, known as the saturated adiabatic lapse rate.
To determine the temperature of the air parcel at 500mb when it rises as unsaturated air, we follow the solid, straight green dry adiabatic lapse rate line from the starting point (17°C, 1000mb) up to 500mb. Following this line, we find that at 500mb, the temperature of the unsaturated air parcel is approximately -35°C.
On the other hand, if the air parcel rises as saturated air, we follow the dashed, curved blue saturated adiabatic lapse rate line from the starting point (17°C, 1000mb) up to 500mb. By following this line, we determine that at 500mb, the temperature of the saturated air parcel is approximately -25°C.
Comparing the temperatures of the unsaturated and saturated air parcels at 500mb, we find that the temperature of the unsaturated air parcel (-35°C) is lower than the temperature of the saturated air parcel (-25°C). Therefore, at 500mb, the temperature of the unsaturated air parcel is lower than the temperature of the saturated air parcel.
This comparison demonstrates that rising unsaturated, clear air cools more than rising saturated, cloudy air over the same pressure change.
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A wave has a wavelength of 125 meters is moving at a speed of 20 m/s. What is it frequency?
Answers
Answer:
0.16 Hz
Explanation:
frequency = speed/wavelength
= 20/125 = 0.16 Hz
Convert 812 Mg tog0.000 812 g812,000 g0.812 g812,000,000 g
Answers
We are asked to convert 812 Mg into g. To do that we will use the following conversion factor:
\(1Mg=1000000g\)Applying the factor we get:
\(812Mg\times\frac{1000000g}{1Mg}=812000000g\)Therefore, 1 Mg is 812 000 000g.
decreases, gravitational, increases, kinetic, potential, thermal
A car driving along a road has energy in its _______ store. If the car drive faster this store_____. If the car drives up a hill, energy is transferred to its ____ store. If the care brakes, the kinetic store _____.
Answers
2. Increases
3. potential
4. Decreases
Describe the following as a (a) distance (b) speed (c) acceleration (d) force
Answers
6. Force
7 speed
8 distance
9 acceleration
If 9.467 A current is passing through a straight wire, what would be the magnetic field induced at a point 3.9 centimeter away from the wire
Answers
For a current is passing through a straight wire, the Magnetic field is mathematically given as,
B=5.535*10^5T.
What would be the magnetic field induced at a point 3.9 centimeter away from the wire?Generally, the equation for the Magnetic field is mathematically given as
\(B=\frac{\mu i}{ 2 \pi r}\)
Therefore
\(B=\frac{4 \pi *10^{-7}*4.2.28}{2 \pi (1.6*10^-2)}\)
B=5.535*10^5T
In conclusion, the magnetic field
B=5.535*10^5T
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1. Use the periodic table to determine which of the following groups of elements would have properties most similar to arsenic (As)
A . Boron (B) , silicon (Si) , and germanium (Ge)
B. Nitrogen (N), Phosphorous (P) , and antimony (Sb)
C. Germanium (Ge) , selenium (Se) , and bromide (Br)
D. Gallium (Ga) , germanium (Ge) , and selenium (Se)
Answers
Answer:
D
Explanation:
The correct answer would be option D.
Gallium (Ga) , germanium (Ge) , selenium (Se) , and arsenic (AS) all belong to the same group of elements referred to as the transition elements. The transition elements have partially-filled d orbital, a feature that confers some characteristic properties on the elements or their ions. These properties include:
variable oxidation state of formation of colored ions and compoundscatalytic propertyparamagnetic compoundsetc.A truck loaded with sand accelerates at 0.5 m/s2 on the highway. If the driving force on the truck remains constant, what happens to the truck’s acceleration if sand leaks at a constant rate from a hole in the truck bed?
Answers
Answer:
It will accelerate at a constant rate.
Explanation:
If the driving force is constant, with a constant reduction in weight, the truck will accelerate at a constant rate.
the acceleration of the truck increase if sand leaks at a constant rate from a hole in the truck bed.
What is Newton's second law of motion ?Force(F) applied on the body is mass(m) times its acceleration(a). i.e. F=ma according to this equation we get acceleration as a = F/m this equation says that when we apply more force to the body, more acceleration it gets. When more is the mass of the body, greater force is needed to accelerate with same amount to that less mass.
According to the relation, a = F/m
mass produces inertia in the body, means mass is a resistance to the linear motion. if mass is greater acceleration is less and mass is more the acceleration is more.
if mass sand leaks at a constant rate from a hole in the truck bed, mass of the truck decreases which increases the acceleration.
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a 60 kg skateboarder accelerated from 5 m/s to 12 m/s. she applied a force of 4200 N. how quickly did she accelerate?
Answers
Answer:
70m/s2
Explanation:
acceleration is equal to force over mass,
a=4200/60
= 70m/s2
7. A car drives 750 m directly to the north, stops, and then backs up 300 m to the south.
a) What is the magnitude of the car's displacement?
Answers
Answer:
what grade is this?
Explanation:
Answer:
is it cumpulsary to know how fast the car was moving or it dosn't have to deal with velocity
Explanation:
:)
it is commonly thought that a can of beverage will cool faster in the coldest part of a refrigerator. knowledge of newton's law of cooling. will a can of soda cool fastest in the coldest part of the refigerator?
Answers
Option A. Supports this knowledge. Yes, The beverage will cool faster inside the freezer than the ordinary part of the refrigerator.
Newton's regulation of cooling states that the fee at which an object cools is proportional to the difference in temperature between the item and the item's environment. genuinely put, a pitcher of hot water will settle down faster in a cold room than in a hot room.
Newton's law of cooling explains the rate of cooling of a frame. The charge at which an item cools down is immediately proportional to the temperature difference between the object and its surroundings.
Newton's regulation of cooling applies to both warming and cooling. the heat loss with time is dependent on the distinction in temperature between the 2 our bodies.
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Disclaimer:- your question is incomplete, please see below for the complete question.
it is commonly thought that a can of beverage will cool faster in the coldest part of a refrigerator. knowledge of newton's law of cooling,
A. Supports this knowledge
B. Show this knowledge is false
C. May or may not support this knowledge
D. May or may not contradict this knowledge
This equation shows the reaction that occurs when calcium carbonate
decomposes. what type of reaction is it? CaCO3 + energy – CaO + CO2
a. endothermic
b. synthesis
c. replacement
d. exothermic
ADD ANSWER
+6 PTS
Answers
Answer:
a. endothermic
Explanation:
The reaction shown is an endothermic reaction. In such reaction, they require an input of energy.
Endothermic changes involves absorption of heat from the surrounding. The surrounding becomes colder at the end of the reaction. When heat is on the reactant side, it suggests a reaction that requires a considerable input of energy.Bob is pulling a 30 kg filing cabinet with a force of 200 N , but the filing cabinet refuses to move. The coefficient of static friction between the filing cabinet and the floor is 0.80
Part A
What is the magnitude of the friction force on the filing cabinet?
Express your answer to two significant figures and include the appropriate units.
Answers
The applied force, F, and the friction force, f, act on the cabinet in the direction of motion (x-axis). Therefore,
F + (-f) = mg
Now, by using the formula for static friction :
f = mg
f = (0.80)(30)(9.8)
f = 235.2 kg m/s² or,
Therefore, the magnitude of the friction force is 235.2 N.
What do you mean by static friction?Static friction is a force that holds an object at leisure. It is the friction encountered when individuals try to move a fixed object on a surface without initiating any relative motion between the body and the surface on which it is.
How can you define static force?A force acting on an object is static force if it does not change that particular object's size, position, or direction. The force involved in a structure acts as a load to that precise structure. This is why static force is also known as a static load.
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How is ice more reflective than water??
Answers
Answer:
Because it has more texture and is solid. Its like glass
Explanation:
Answer:
Why is ice more reflective (has higher albedo) than liquid water? They're both the same substance (water). Is something quantum mechanical involved?
Explanation:
In fact ice is slightly less reflective than water. The reflectivity is related to the refractive index (in a rather complicated way) and the refractive index of ice is 1.31 while the refractive index of water is 1.33. The slightly lower refractive index of ice will cause a slightly lower reflectivity. In both cases the reflectivity is about 0.05 i.e. at an air/water or air/ice surface about 5% of the light is reflected.
10. A jogger runs along a road for a distance of 2700 m. If it takes her 900 seconds
to run that distance, what is her speed?
Answers
Answer:
Speed = 3 m/s
Explanation:
Given the following data;
Distance = 2700m
Time = 900 s
To find the speed;
Speed can be defined as distance covered per unit time. Speed is a scalar quantity and as such it has magnitude but no direction.
Mathematically, speed is given by the formula;
\(Speed = \frac{distance}{time}\)
Substituting into the equation, we have;
\(Speed = \frac{2700}{900}\)
Speed = 3 m/s
can anyone answer this
Answers
Answer:
1 True
2 False
3 False
4 True
5 True
Hope that helps you
please mark brainliest
please follow
Answer:
A. true
B. false
C. false
D. ?????
How would you use knowledge of force of impact to respond to a head-on or side collision
Answers
Reduce damage to the passenger compartment by changing the point of impact in a side-impact crash to your engine compartment or rear end. Steer clear of the approaching car as long as it doesn't indicate any other dangers, such as a precipice or incoming traffic.
Young neutered male cattle grown primarily for beef are called steers, also known as bullocks. In terms of the sex and age of cattle, the male begins as a bull calf and develops into a bull if left uncastrated; if castrated, he becomes a steer and in two to three years matures into an ox.
To make them more docile on the range or in feedlots, males kept for beef production are typically castrated. Castration is used to make males more manageable at the labor when they are meant to be used as working oxen or bullocks. See also farmed livestock, cattle, cows, and livestock.
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Elastic Collisions are defined as....
Answers
A collision in which the total kinetic energy of the colliding bodies or particles is the same after the collision as it was before (opposed to inelastic collision).
Answer:
An elastic collision is a collision in which there is no net loss in kinetic energy in the system as a result of the collision. Both momentum and kinetic energy are conserved quantities in elastic collisions.
Explanation:
Hope this helps! Just reword it if u can:)
The switch in a circuit breaker opens when which of the following in the circuit becomes too high?
A) current
B) resistance
C) static charge
D) total charge
Answers
Answer:
b) resistance
Explanation:
since resistance is responsible for heating, if it increases the circuit breaker opens breaking the flow of current to the circuit and thus preventing short circuits.
If an electron vibrates back and forth in an clean wire with a frequency of 60.0 Hz, how many cycles make in 1.0 h?
a. 8.1 x 10^5
b. 6.0 x 10^2
c. 3.7 x 10^3
d.2.2 x 10^5
e. 4.6 x 10^4
Plz Help
Answers
If an electron vibrates back and forth in an clean wire with a frequency of 60.0 Hz, then it will make 2.2×10⁵ cycles. in 1.0 h. Hence option D is correct.
What is electric charge ?Electric charge is the physical property of matter that experiences force when it is placed in electric field. F = qE where q is amount of charge, E = electric field and F = is force experienced by the charge. there are two types of charges, positive charge and negative charge which are generally carried by proton and electron resp. like charges repel each other and unlike charges attract each other. the flow charges is called as current. Elementary charge is amount of charge a electron is having, whose value is 1.602 x 10⁻¹⁹ C
Amplitude is a measure of loudness of a sound wave. More amplitude means more loud is the sound wave.
Wavelength is the distance between two points on the wave which are in same phase. Phase is the position of a wave at a point at time t on a waveform. There are two types of the wave longitudinal wave and transverse wave.
Frequency is nothing but the number of oscillation in a unit time.
Given,
frequency f = 60.0 Hz.
time t = 1.0 h = 60*60 = 3600s
F = number of cycles/time
number of cycles = F×time
The number of cycles in 1 Hr is
60*3600 = 2.2×10⁵ cycles.
Hence option D is correct.
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Share your experiences with using VPNs. What protocols did you
use? Can you think of any reasons why you would not update the
protocols?
Answers
VPNs commonly use protocols such as OpenVPN, IPsec, L2TP/IPsec, and SSTP. Each protocol has its strengths and weaknesses. For example, OpenVPN is known for its strong security and flexibility, while IPsec offers a high level of encryption and is often used for site-to-site VPNs.
Reasons why someone might choose not to update VPN protocols include compatibility issues with older devices or software, potential disruptions in service during the update process, or concerns about introducing new vulnerabilities or bugs with the updated protocol.
However, it's generally recommended to keep VPN protocols up to date to ensure the highest level of security and compatibility with evolving network environments.
Information about VPN protocols and reasons for updating or not updating them:
1. OpenVPN: It is an open-source protocol that is highly configurable and supports various encryption algorithms. It is known for its strong security and is widely supported across different platforms. Updating OpenVPN ensures that you have the latest security enhancements and bug fixes.
2. IPsec (Internet Protocol Security): IPsec provides a suite of protocols for securing IP communications. It offers strong encryption and authentication mechanisms. While IPsec is commonly used for site-to-site VPNs, it may require additional configuration for remote access VPNs. Updating IPsec ensures that any vulnerabilities or weaknesses discovered in previous versions are addressed.
3. L2TP/IPsec (Layer 2 Tunneling Protocol with IPsec): This protocol combines the tunneling capabilities of L2TP with the security of IPsec. It is supported by various operating systems and devices. However, L2TP/IPsec has been subject to some vulnerabilities and security concerns, so keeping it up to date helps mitigate these risks.
4. SSTP (Secure Socket Tunneling Protocol): Developed by Microsoft, SSTP uses the SSL/TLS protocol to establish a secure connection. It is primarily used on Windows platforms. While SSTP is considered secure, it may not be as widely supported as other protocols. Updating SSTP ensures compatibility and addresses any known vulnerabilities.
Reasons for not updating VPN protocols may include:
a. Compatibility concerns: Some older devices or software may not support the latest VPN protocol updates. In such cases, updating could lead to connectivity issues.
b. Disruptions during the update process: Updating VPN protocols might require restarting services or temporarily interrupting VPN connections, which can cause inconvenience or downtime for users.
c. Stability concerns: New protocol updates may introduce unknown bugs or compatibility issues, potentially impacting the stability and reliability of the VPN service. In such cases, organizations may prefer to delay updates until the new version is thoroughly tested and deemed stable.
It's important to balance the need for security, compatibility, and stability when deciding to update VPN protocols. In general, staying up to date with the latest protocol versions helps maintain the highest level of security and ensures compatibility with evolving network environments.
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show that the bohr orbits have quantized speeds given by vn = za c/n, where a is the fine structure constant. when is our non-relativistic treatment of the bohr atom not justified?
Answers
According to Bohr, electrons in an atom can only occupy a limited range of energy levels, which correspond to a limited range of orbits around the nucleus. Also, he believed that electron orbits are circular.
What is the Bohr model's velocity formula?Hence, the electron's velocity in the nth allowed orbit is given by vn=ze220nh. Q. Derive an expression for the radius of the nth orbit of the electron that revolves around the hydrogen atom's nucleus by assuming Bohr's postulates. Bohr's Hydrogen Solution. ΔE=hf=Ei−Ef. Thus, hf is the energy of the photon that is absorbed or released, and E is the energy difference between the beginning and final orbits.
mv^2/r = ke^2/r^2
where m denotes the electron's mass, v denotes its speed, r denotes the orbit's radius, k denotes Coulomb's constant, and e denotes the elementary charge.
To solve for v, we obtain:
v = (ke^2/mr)^1/2
Inputting the term in place of k:
v = za c/n
where n is the electron orbit's primary quantum number.
The quantized speeds of the Bohr orbits are therefore given by vn = za c/n.
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