How does friction affect velocity

The maximum voltage across the inductor during the time when the switch is open is $V_{L,MAX(open)} = V_s$ where $V_s$ is the voltage across the source just before the switch was opened.

When the switch is open, the voltage across the inductor is $V_{L,MAX(open)} = V_s$ where $V_s$ is the voltage across the source just before the switch was opened. When the switch in an LR circuit is opened, the current through the inductor (L) abruptly changes, and the inductor voltage instantly jumps up to maintain the circuit's equilibrium. This voltage spike, or transient voltage, is due to the inductor's magnetic field collapsing, which generates a large back-emf. The inductor behaves as a current source, with its output voltage increasing to keep the current constant. This voltage can reach a high value if the inductor is big and the current through it is significant. Let's look at a simple circuit of an LR series circuit. The voltage across the inductor is defined by:$$V_L = L\frac{dI}{dt}$$where L is the inductance in henry, I is the current in amperes, and t is the time in seconds. During the time when the switch is open, the current through the circuit is zero; as a result, there is no rate of change of current, and the voltage across the inductor is constant.

To know more about magnetic field, visit:

https://brainly.com/question/19542022

#SPJ11

Vl, max (open) is the magnitude of the maximum voltage across the inductor during the time when the switch is open.

The maximum voltage across an inductor occurs when the switch is open and is determined by the inductance (L) and the rate of change of current (di/dt) through the inductor. This effect is known as back EMF (electromotive force). When the switch is open, the inductor starts discharging and supplying energy to the circuit. This is when the voltage across the inductor is at its maximum. Vl, max (open) is the magnitude of the maximum voltage across the inductor during the time when the switch is open. An inductor discharges in an RL circuit when the switch is open. This means that the inductor has accumulated energy in the form of a magnetic field when the switch is closed, and this energy is then released when the switch is open. The magnitude of the maximum voltage across the inductor during the time when the switch is open can be calculated using the following formula: Vl, max (open) = -IL (max) x R, where IL(max) is the maximum current in the inductor at the time when the switch is open, and R is the resistance in the circuit. Note that the negative sign indicates that the voltage is negative relative to the direction of the current flow.

To know more about inductance, visit:

https://brainly.com/question/31127300

#SPJ11

Answer:

0d.40m/s2

Explanation:

because it said what is the average of the acceleration so i said it will be d

A swimmer starting from rest has a final velocity of 2.0 m/s after 20 seconds, her average acceleration .1 m/sec².

The rate at which an item changes its velocity is known as acceleration, a vector quantity. If an object's velocity is changing, it is acceleration.The net acceleration that objects get as a result of the combined action of gravity and centrifugal force is known as the Earth's gravity, or g. It is a vector quantity whose strength or magnitude is determined by the norm and whose direction correlates with a plumb bob.

Given a swimmer starting from rest has a final velocity of 2.0 m/s after 20 seconds acceleration of the girl = 2.0/20 = 0.1 m/sec²

A swimmer starting from rest has a final velocity of 2.0 m/s after 20 seconds, her average acceleration 0.1 m/sec².

To learn more about acceleration refer to the link:

brainly.com/question/12550364

#SPJ2

Answer:

it can be built in mine craft

Explanation:

Answer:

put 2 pistons on each side and then put the block you want the door to be and power it with redstone

Answer:

Three Minute Step Test

Push Up

Zipper Test

Sorry di ko po alam lahat

Answer:

Ballon B's electric field would be directed away from Balloon A since B exerts a repulsive force on A. Balloon B would also have a negative charge, since like charges repel one another.

Explanation:

The electric field created by Balloon B will be directed away from Balloon A.

The direction of electric field is always opposite to the direction of negative charge.

The electric field created will be directed opposite to the negative charge of balloon A.

Thus, the complete sentence will be, "the electric field created by Balloon B will be directed away from Balloon A.

Learn more about direction electric field here: https://brainly.com/question/14372859

Answer:

B.) parabola

Explanation:

The graph of a quadratic function is a U-shaped curve called a parabola.

Answer:

tech B

Explanation:

im assuming its ASE or CDX i got my ase certification

you should also always replace that fuse its there to stop a harmful amount of voltage to said thing like a starter or a a fan

Answer:

when the ball falls down

Explanation:

because gravity is a very strong Force

Answer:

a

Explanation:a

Answer:

150w

Explanation:

power = workdone/time

9000/60

150w

Theories that describe the causes underlying autoimmune disease blame genetic predisposition, environmental triggers, and poor regulation.

Molecular/epitope mimicry or endogenous antigens mobilization are the two most frequently mentioned ways by which infection triggers autoimmune illness. It is unknown how frequently molecular/epitope mimicry leads to autoimmune illness in people, despite being a frequent source of enhanced natural autoimmunity.

So because self antigens is an integral part of the body, the immune system's effector mechanisms in autoimmune illness target the body's own tissues, causing tissue damage.

To know more about Autoimmune Disease visit:

https://brainly.com/question/30088857

#SPJ4

Answer:

If the car comes to a sudden stop, your body tends to keep moving forward.

Explanation:

Answer:

Recycled answer from jaskhanna07343

Explanation:

Water does not wet waxed surfaces because the cohesive forces within the drops are stronger than the adhesive forces between the drops and the wax. Water wets glass and spreads out on it because the adhesive forces between the liquid and the glass are stronger than the cohesive forces within the water

The intensity of the beam is 1.21*10^7  W/m^2 and the intensity is define as number of photons per unit time.

Radiation beam is energy in the form of waves of particles. There are two forms of radiation which are  non-ionizing and ionizing.

Non-ionizing radiation has less energy than ionizing radiation; it does not possess enough energy to produce ions.

Ionizing radiation is capable of knocking electrons out of their orbits around atoms, upsetting the electron/proton balance and giving the atom a positive charge.

Alpha radiation consists of alpha particles that are made up of two protons and two neutrons each and that carry a double positive charge. Due to their relatively large mass and charge, they have an extremely limited ability to penetrate matter.

We know that,

Iabsorbed=P/A ------(1)

where P is the power and A is the area.

P= E/t-------(2)

using (2) and (1)

Iabsorbed=E/tA-----(3)

Now area,

A=πr^2 = 1.19*10^-5 m^2

putting in (3), we get

Iabsorbed = 1.09*10^7 W/m^2

Given only 90% of the beam is absorbed So,

I/100=1.19*10^-5/90

Now the intensity is,

I=1.19*10^-5*100/90

I=1.21*10^7 W/m^2.

To know more about intensity here

https://brainly.com/question/7068958

#SPJ4

Answer:

k

Explanation:

k

The Biot-Savart Law is a fundamental law in physics that relates the magnetic field produced by a current-carrying wire to the magnitude and direction of the current. It is named after Jean-Baptiste Biot and Félix Savart, who formulated this law.

In the given scenario, a point charge q is moving on the x-axis in the positive direction with a speed of 370 m/s. The Biot-Savart Law is not directly applicable to this situation because it is specifically used to calculate the magnetic field produced by a current-carrying wire. However, we can use the concept of magnetic fields to understand the effect of a moving charge.

When a charged particle moves, it creates a magnetic field around it. The magnitude and direction of this magnetic field depend on the velocity of the particle. In this case, since the charge is moving along the x-axis, the magnetic field will be generated around the charge perpendicular to the direction of its motion.

To calculate the exact magnetic field produced by this moving charge, we need more information such as the charge's magnitude and the distance from the charge at which we want to measure the field. With these details, we can apply the appropriate formulas, such as the formula for the magnetic field created by a moving point charge.

In conclusion, while the Biot-Savart Law is not directly applicable to the given scenario, we can use the concept of magnetic fields to understand the effect of a moving charge. To calculate the magnetic field precisely, additional information is required.

To know more about current visit:

https://brainly.com/question/31686728

#SPJ11

You should connect two 10 Ohms resistors in parallel and then connect it in series with a 3 Ohms resistors.

In order to achieve the desired resistance under the given circumstances, we would connect two 10 Ohms resistors in parallel and then connect it in series with a 3 Ohms resistors.

Mathematically, the total equivalence resistance of two resistors that are connected in parallel is given by:

1/Rt = 1/R₁ + 1/R₂

1/Rt = 1/10 + 1/10

1/Rt = 2/10

1/Rt = 1/5

Rt = 5 Ohms.

Next, we would connect this 5 Ohms resistor in series with the 3 Ohms resistor:

R₃ = 3 + Rt

R₃ = 3 + 5

R₃ = 8 Ohms.

In conclusion, you can create an equivalent resistance of 8 ohms from only 10 ohms resistors and 3 ohm resistors by connecting two 10 Ohms resistors in parallel and then connect it in series with a 3 Ohms resistors.

Read more on resistors in parallel here: brainly.com/question/15121871

#SPJ1

Answer:  A change in regular lifestyle is required

Explanation:  various things a person can do is

[1]  yoga practices

[2]  avoiding eating junk foods

[3] adding fresh and green veggies to your daily diet

Answer:

The proton-proton fusion process that is the source of energy from the Sun. The energy from the Sun - both heat and light energy - originates from a nuclear fusion process that is occurring inside the core of the Sun. The specific type of fusion that occurs inside of the Sun is known as proton-proton fusion.

Explanation:

Have a great day everyone :)

Answer:

This is what happens to the hydrogen gas in the core of the Sun. It gets squeezed together so tightly that four hydrogen nuclei combine to form one helium atom.

^This is called nuclear fusion. while this is happening some of the mass of the hydrogen atoms are made into energy in the form of light.

Explanation:

When multiple identical batteries are connected in parallel, the combined voltage can be calculated by simply taking the voltage of one battery and dividing it by the number of batteries connected in parallel.

This rule applies only to identical batteries, as different batteries may have varying voltages and capacities. For example, if four 1.5-volt batteries are connected in parallel, the combined voltage would be 1.5/4 = 0.375 volts.

It is important to note that connecting batteries in parallel increases the total current capacity, but does not increase the voltage output.

Additionally, caution should be exercised when connecting batteries in parallel as it can result in uneven discharge rates and potentially damage the batteries if not done properly.

To learn more about : battery

https://brainly.com/question/5059264

#SPJ11

The total charge of these electrons in the red blood cell - 4.3 × 10⁻¹² Coulombs. The result is obtained by multiplying the number of electrons by the charge or each electrons.

Charge is a physical property of subatomic particles that causes objects experience a attractive force toward one another.

An electron has the charge of - 1.602 × 10⁻¹⁹ Coulombs. If there are n electron, the charge is

q = ne

Where

A red blood cell contains 2.7 × 10⁷ electrons.

Find the total charge!

The total charge of the electrons in the red blood cell is

q = ne

q = 2.7 × 10⁷ × (- 1.602 × 10⁻¹⁹)

q = - 4.3 × 10⁻¹² Coulombs

Hence, in the red blood cell, the total charge of the electrons is - 4.3 × 10⁻¹² Coulombs.

Learn more about electrical charge here:

brainly.com/question/28457915

#SPJ4

In conclusion, the experiment aimed to determine the acceleration due to gravity by measuring the period of a simple pendulum. The experiment was performed by measuring the length of the pendulum and recording the time for 10 oscillations. The data was then used to calculate the average period and subsequently, the acceleration due to gravity using the formula: g = (4π²L)/T².

Based on the results obtained, the acceleration due to gravity was found to be (9.79 ± 0.06) m/s², which is in good agreement with the accepted value of 9.81 m/s². The small discrepancy could be due to the experimental errors such as air resistance, friction and measurement errors.

Overall, the experiment was successful in determining the acceleration due to gravity using a simple pendulum and demonstrated the relationship between the period and the length of the pendulum.

Option D is the correct answer. The hot disks observed around young stars provide strong evidence for the solar nebula theory, which is widely accepted as the best explanation for the origin of our own solar system and others like it.

The observation that seems to suggest the solar nebula theory is correct is that young stars are found to have hot disks that surround them. These disks are thought to be the remnants of the protoplanetary disk from which the planets in our own solar system formed. The disks are observed at infrared wavelengths, indicating that they are warm and radiating heat. This observation is consistent with the idea that the solar system formed from a spinning cloud of gas and dust that collapsed under its own gravity, forming a protostar at the center and a surrounding disk. As the protostar continued to accrete material from the disk, planets formed in the disk by accretion and gravitational interactions. This is the solar nebula theory in a nutshell. Therefore, option D is the correct answer. The hot disks observed around young stars provide strong evidence for the solar nebula theory, which is widely accepted as the best explanation for the origin of our own solar system and others like it.

To know more about wavelength visit :

https://brainly.com/question/28466888

#SPJ11

Answer:

B. Cant stop things from going wrong.

Explanation:

To me it's the only reasonable answer...

The uncertainty given as "0.2 cm" in the report represents the precision of the measurement. This type of uncertainty is known as random or statistical uncertainty

Random uncertainty arises as a result of measurement technique limitations, such as the limitations of the measuring instrument or the experimenter's ability to read the instrument. Random uncertainty can be reduced by improving measurement technique or taking more measurements to improve result precision.

The reported value of "23.6 cm" is the best estimate of the true value of the quantity being measured in this case, and the uncertainty of "0.2 cm" indicates the range of values within which the true value is likely to lie. It means that if the measurement were repeated multiple times, the values obtained with a certain level of confidence (typically 95% confidence interval) would be expected to fall within the range of 23.4 cm to 23.8 cm.

For more question on Random uncertainty click on

https://brainly.com/question/2626239

#SPJ4

The skater does indeed reach the same height on either side of the track With friction turned on.

For more information on friction kindly visit to

https://brainly.com/question/13000653

#SPJ1

It depends how far you travel.

If for instance you travel 1000 miles, then your speed is distance/time = 1000/5 = 200 mph

Answer:

first get a map and show how far you are from your original destination since the destination is not well identified where it is in Michigan so just get an approximate distance and then do the calculations

Answer:

2m/s

Explanation:

10m / 5 s

Simplify and divide.

2 m / 1 s

Answer:

The speed would be 2

Explanation:

Given,

The mass of the object, m=2.1 kg

The speed of the object, v=25 m/s

Kinetic energy is the energy that an object possesses due to its motion. And potential energy is the energy that an object possesses due to its position.

The gravitational potential energy depends on the height of the object. As the change in the height of the object is not mentioned in the question, let us assume that there is no change in the potential energy.

The velocity of the object, however, changes. Thus the energy possessed by the object is the kinetic energy.

And the kinetic is given by

On substituting the known values,

Thus the kinetic energy of the ball is 656.25 J

By calculating carbon emissions reduction and sustainability index improvement, the Accenture MyNav Green Cloud Advisor incorporates sustainability when moving client data centers to the cloud.

The availability of computer system resources without the user having to manage them directly is referred to as cloud computing. The network of remote servers located on the internet in this instance aids in the management and storage of the data.

Mynav Green Cloud Advisor is essential since it aids businesses in creating cloud solutions that may be utilized to lower carbon emissions.

As cloud solutions are essential to businesses, Accenture MyNav Green Cloud Advisor integrates sustainability.

To learn more about Accenture and sustainability from given link

https://brainly.com/question/24918185

#SPJ4

The bat should fly about 0.8065 m/s in order to hear a beat frequency of 8 Hz.

The shift in a wave's frequency caused by an observer moving away from the wave source is known as the Doppler effect or Doppler shift. The equation for this is given by,

\(f=\frac{v \pm v_0}{v\mp v_s}f_s\)

where f is the observed frequency, v is the speed or velocity of the sound waves, v₀ is observer velocity ("+" if it's towards and "-" if it's away from the source), vs is source velocity("-" if it's towards and "+" if it's away from the observer), and fs is the actual frequency of the sound waves.

The velocity of sound waves in the air is 344 m/s, v₀ is zero for the incident, v is the source velocity towards the wall, and fs is 1700 Hz.

Then, the incident frequency is given by,

\(f_{incidence}=\frac{344-0}{344-v}\times f_s\)

The wall is stationary, therefore, f(incidence)=f(reflected). Then, the new frequency the bat hears is,

\(\begin{aligned}f_{new}&=\frac{344+v}{344}\times f_{reflected}\\&=\frac{344+v}{344}\times \frac{344-0}{344-v}\times f_s\\&=\frac{344+v}{344-v} \times f_s\end{aligned}\)

To hear a beat frequency of 8 Hz, the velocity of the bat should be,

\(\begin{aligned}f_{new}-f_s&=8\\\left(\frac{344+v}{344-v} \right)f_s-f_s&=8\\\frac{344+v}{344-v}-1&=\frac{8}{f_s}\\\frac{344+v-344+v}{344-v}&=\frac{8}{1700}\\2v&=0.0047(344-v)\\2v&=1.6168-0.0047v\\2.0047v&=1.6168\\v&=\mathrm{0.8065\;m/s}\end{aligned}\)

The answer is 0.8065 m/s.

To know more about the Doppler effect:

https://brainly.com/question/15318474

#SPJ4