at what rate, in megawatts, must energy be dissipated when the full current is switched off in 65 ms?

Answer:

just awnsered this one your awnser is the the second option

Answer:

answer one

Explanation:

Answer:

True

Explanation:

We have that the statement is

True

Kinesiology

Kinesiology  is the study of human movement,and functions by inducing other sciences of like exercise psychology , exercise sociology and other science that studies human movement and performance

Therefore

The Statement is True

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The direction of the magnetic force in a magnet depends on the direction of the external magnetic field and the orientation of the magnet.

In a magnet, the direction of the magnetic force depends on the orientation of the magnet and the direction of the magnetic field in which it is placed. The magnetic force experienced by a magnet is a result of the interaction between its magnetic field and the external magnetic field.

If the magnet is placed in an external magnetic field that is parallel to its magnetic field, there will be no net force on the magnet. However, if the external magnetic field is perpendicular to the magnetic field of the magnet, there will be a magnetic force acting on the magnet, which can cause it to move.

The direction of the magnetic force is given by the right-hand rule, which states that if you point your right thumb in the direction of the external magnetic field, and your fingers in the direction of the magnetic field of the magnet, then the direction in which your palm faces is the direction of the magnetic force.

The force can be attractive or repulsive depending on the relative orientation of the magnetic fields, and it can be used in a wide range of applications, including electric motors, generators, and magnetic storage devices.

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Answer: Fg < Fq

Explanation: just took the lab test edge 2020

The electromagnetic force is greater than the gravitational force option third Fg < Fq is correct.

It is a force imposed by one charge on another as a result of the field. The electrostatic force produced by one line charge on another line charge separated by r is determined by the charge potency of each charge as well as the separation distance between them.

Force of gravity is given by:

\(\rm F_g=\dfrac{Gm_1m_2}{r^2}\)

The electrostatic force is given by:

\(\rm F_q = \dfrac{kq_1q_2}{r^2}\)

On the atomic scale, electrons, for example, have very little mass but a very large charge. As a result, electromagnetic forces rule.

Thus, the electromagnetic force is greater than the gravitational force option third Fg < Fq is correct.

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Answer:

40

Explanation:

because his increasing speed

An electric field is defined along the x-axis by the function then if g=1.5m and h=6m, then v(g)-v(h) = 7768.40V.

When charge is present in any form, a point in space has an electric field that is connected to it.

The value of E, often known as the electric field strength, electric field intensity, or just the electric field, expresses the strength and direction of the electric field.

Each location in space where a charge exists in any form can be considered to have an electric field attached to it. The electric force per unit charge is another name for an electric field. The electric field’s equation is given as E = F / Q.

E = + 5 x^4 x^n

Also, E = -x^n r/rx (v)

⇒ 5 x^4 x^n = -x^n r/rx (v)

⇒ v = - ∫ 5 x^4 dx

⇒ v = -5 x^5/5

⇒ v = - x^5 v

So, v(g) - v(h) = - (1.5)^5 + (6)^5

= -7.59375 + 7776

=7768.40 V

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The load diagram for a 40D ocean container with 101010-inch boxes, assuming a 40*48 inch pallet that is 6 inches tall, can accommodate approximately X number of boxes.

To calculate the load diagram, we need to consider the dimensions of the container, pallet, and boxes, as well as their weights. The internal dimensions of a 40D ocean container are typically around 39'6" in length, 7'8" in width, and 7'10" in height.

First, let's calculate the number of pallets that can fit on the container floor. Since the pallet dimensions are 40*48 inches, we divide the container's width (7'8" or 92 inches) by the pallet width (48 inches). This gives us approximately 1.92, so we can fit 1 pallet in the width direction.

Next, we divide the container's length (39'6" or 474 inches) by the pallet length (40 inches) to find that we can fit approximately 11.85 pallets in the length direction. However, since the 40D container is not long enough to accommodate 12 full pallets, we can only fit 11 pallets in this direction.

Considering the height, we need to account for the 6-inch tall pallet as well as the 10-inch tall boxes. Since the container's height is 7'10" (or 94 inches), we subtract the combined height of the pallet and boxes (6 + 10 = 16 inches) from the container's height. This gives us 94 - 16 = 78 inches available for stacking.

Finally, we multiply the number of pallets (11) by the number of boxes that can be stacked (7) to find the total number of boxes that can fit in the container: 11 * 7 = 77 boxes. Therefore, the load diagram for a 40D ocean container with 101010-inch boxes and a 40*48-inch pallet that is 6 inches tall can accommodate approximately 77 boxes.

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The force that is acting on the block is obtained as 980 N.

We know that the reason for the motion of an object is force. When force is acting on a body the object is either made to move, to move faster or to come to a stop. This implies that there are various kinds of forces that could act on a substance.

In this case, we have been told that A 10.-kilogram rubber block is pulled horizontally at constant velocity across a sheet of ice. If we look at the scenario quite well, we can see that the force that would act on the object is the tension on the string. On the other hand, the tension on the string would be equal to the magnitude of the weight of the object.

Hence, force that acts on the object = mg

m = mass

g = acceleration due to gravity

= 10 Kg * 9.8 m/s^2

= 980 N

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To find the amplitude of the magnetic field of an electromagnetic wave with an intensity of 80 MW/m^2, we can use the formula for intensity (I):

I = 1/2 (ε₀c * E²) = 1/2 (μ₀c * B²)
where I is the intensity, ε₀ is the electric permittivity, c is the speed of light, E is the electric field amplitude, μ₀ is the magnetic permeability, and B is the magnetic field amplitude.

We want to solve for B, so we can rearrange the equation as follows:
B² = 2I / (μ₀c)
Now, plug in the given values:

I = 80 MW/m^2 = 80 x 10^6 W/m^2
c = 3.0 x 10^8 m/s
μ₀ = 4π x 10^(-7) T⋅m/A

B² = 2 * (80 x 10^6) / (4π x 10^(-7) * 3.0 x 10^8)
B² ≈ 3.392 x 10^(-10)

Now, take the square root to find the amplitude of the magnetic field B:

B ≈ sqrt(3.392 x 10^(-10))
B ≈ 5.82 x 10^(-6) T

Converting this to micro-teslas (µT) gives:

B ≈ 5.82 x 10^(-6) * 10^6 µT
B ≈ 5.82 µT

Since this is closest to option A (0.33 µT), the correct answer is A) 0.33 µT.

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When the electron is in its ground state, the longest wavelength photon it can absorb is 540 nm. The next longest-wavelength photon that the electron can absorb, starting in the ground state, is 217 nm.

An electron in a one-dimensional box is an excellent example of a model in quantum mechanics. The energy of the electron is quantized, indicating that it can only occupy certain energy levels. The length of the box is an important variable that determines the energy levels available to the electron.

A one-dimensional box is one in which the electron is confined to a single dimension; it can move along the x-axis but not along the y- or z-axes. Energy levels for a one-dimensional box can be determined using the following formula:

En = (n²π²h²)/(2mL²)

Where: En is the energy level

n is an integer

π is pi (3.14)

h is Planck's constant (6.63 x 10⁻³⁴ joule-seconds)

m is the mass of the electron

L is the length of the box

The wavelength of a photon can be determined using the following formula:λ = hc/E

Where:λ is the wavelength of the photon is Planck's constant (6.63 x 10⁻³⁴ joule-seconds)

c is the speed of light (3.00 x 10⁸ m/s)

E is the energy of the photon

When an electron is in its ground state, it means it occupies the lowest possible energy level. The energy level is n = 1, according to the formula. The wavelength of the photon that the electron can absorb is 540 nm, according to the question.

We can use the energy formula to determine the energy of the photon.

E = hc/λE

= (6.63 x 10⁻³⁴ joule-seconds x 3.00 x 10⁸ m/s)/(540 x 10⁻⁹ m)E

= 3.69 x 10⁻¹⁹ joules

The next longest-wavelength photon that the electron can absorb, starting in the ground state, means that the electron has to jump to the next energy level, n = 2.

We can use the formula to determine the energy difference between the two energy levels.

ΔE = E2 - E1ΔE

= \((22\pi^{2} h^{2} )/(2mL^{2} ) - (12\pi^{2} h^{2})/(2ml^{2} )\Delta E\)

=\((3\pi ^{2} h^{2} )/(2mL^{2} ) \Delta E\)

= 9.10 x 10⁻²⁰ joules

Finally, we can use the energy formula to determine the wavelength of the photon that will be absorbed when the electron jumps from n = 1 to n = 2.E

= hc/λλ = hc/Eλ

\(= (6.63 \times 10^{-34} joule-seconds \times 3.00 \times 10^{-8} m/s)/(9.10\times 10^{-20} joules) \Lambda\)

= 2.17 x 10⁻⁷ meters or 217 nm

The next longest-wavelength photon that the electron can absorb, starting in the ground state, is 217 nm.

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Complete Question:

An electron is in a one-dimensional box. When the electron is in its ground state, the longest wavelength photon it can absorb is 540 nm. what is the next longest wavelength photon it can absorb, again starting in the ground state?

Mass of Santa's sleigh = 7500kg

3 x Speed of sound = 3704km/h

Kinetic Energy = 1/2 mv²

     = ½ (7500)(3704)²

Kinetic Energy = 3969796931.4637 J

What is sonic boom?

A loud, explosive sound produced by a by a plane's shock wave when it flies faster than sound.

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Answer:

earlier when there is no pandemic ( corona virus ) then rarely people give time to fitness/ excercise routine. But now, because of pandemic many people give more enthusiasm in fitness . In India we are motivated to do yoga. In this case, our culture has been back u can say. Lot of people startted doing yoga . Because of fitness in this pandemic no one will feel isolated with this u will be healthy .

Explanation:

pls like it ️

If a gas and a liquid undergoes the same amount of heating, the gas will expand many times more than the liquid. This is because gases have lower densities and occupy more space than liquids, which allows them to expand more readily when heated. The amount of expansion will depend on the specific gas and liquid being considered, as well as the conditions under which they are being heated.

I hope that you liked my answers

Answer:

If a gas and a liquid undergo the same amount of heating, the gas will generally expand significantly more than the liquid. This is because gases have much lower density and higher thermal expansion coefficients than liquids, and therefore, they expand much more for a given temperature change.

The exact amount of expansion depends on the specific gas and liquid, the temperature change, and the pressure conditions, but it is typically several orders of magnitude greater for a gas than for a liquid. This difference in expansion behavior is one of the key characteristics of gases and liquids, and it has important implications for a variety of scientific and engineering applications.

Explanation:

if you kinda confuse just tell me

ALLEN

Answer: A roller coaster does not have an engine to generate energy. The climb up the first hill is accomplished by a lift or cable that pulls the train up. This builds up a supply of potential energy that will be used to go down the hill as the train is pulled by gravity

Hope this helps! Good luck with future homework and exams!

Answer:

a. Walking burns up more energy.

b. 1740 kJ

c. This is because more intense exercise releases a lot of energy in a short period of time, whereas, less intense energy releases it energy gradually over a long period of time.

Explanation:

a. We know energy W = Pt where P = power and t = time.

Now for walking, t = d/v where d = distance = 5.00 km and v = speed = 3.00 km/hr and P = 290 W

So, t = d/v = 5.00 km/3.00 km/hr = 5/3 hr = 5/3 × 3600 s = 6000 s

W = Pt = 290 W × 6000 s = 1740000 = 1740 kJ

Now for running, t = d/v where d = distance = 5.00 km and v = speed = 10.00 km/hr

So, t = d/v = 5.00 km/10.00 km/hr = 0.5 hr = 0.5 × 3600 s = 1800 s and P = 700 W

W = Pt = 700 W × 1800 s = 1260000 = 1260 kJ

Since walking burns up 1740 kJ and running burns up 1260 kJ, walking burns up more energy.

b. It burns up 1740 kJ

c. This is because more intense exercise releases a lot of energy in a short period of time, whereas, less intense energy releases it energy gradually over a long period of time.

The alpha particles are capable of alternating the mass and atomic numbers in the atoms which is responsible for transmutation. This occurs in nuclear reacting.

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Answer: The whole of it was owned originally by the lord of the manor. He lived in the big house called the manor house. Attached to it were many acres of grassland and woodlands called the park. These were the "demesne lands" which were for the personal use of the lord of the manor.

The lord of the manor previously owned the entire property. He resided in the substantial home known as the manor house.

Thus, The park, which covered many acres of grassland and trees, was connected to it. These "demesne lands" belonged to the lord of the manor and were used exclusively for his exclusive purposes.

The word "manor" is derived from the Old French word "manoir," which means "dwelling place," but a manor isn't just any old house.

The homes and grounds of the nobility were referred to as manors back when people still had titles of nobility. expressing to someone that his home is a manor is the equivalent of expressing that it is so lavish and beautiful that it could have belonged to a lord.

Thus, The lord of the manor previously owned the entire property. He resided in the substantial home known as the manor house.

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Answer:

C from the picture

Explanation:

Answer:

When a fluid flows into a narrower channel, its speed increases. That means its kinetic energy also increases. Where does that change in kinetic energy come from? The increased kinetic energy comes from the net work done on the fluid to push it into the channel and the work done on the fluid by the gravitational force, if the fluid changes vertical position. Recall the work-energy theorem,

There is a pressure difference when the channel narrows. This pressure difference results in a net force on the fluid: recall that pressure times area equals force. The net work done increases the fluid’s kinetic energy. As a result, the pressure will drop in a rapidly-moving fluid, whether or not the fluid is confined to a tube.

There are a number of common examples of pressure dropping in rapidly-moving fluids. Shower curtains have a disagreeable habit of bulging into the shower stall when the shower is on. The high-velocity stream of water and air creates a region of lower pressure inside the shower, and standard atmospheric pressure on the other side. The pressure difference results in a net force inward pushing the curtain in. You may also have noticed that when passing a truck on the highway, your car tends to veer toward it. The reason is the same—the high velocity of the air between the car and the truck creates a region of lower pressure, and the vehicles are pushed together by greater pressure on the outside.  This effect was observed as far back as the mid-1800s, when it was found that trains passing in opposite directions tipped precariously toward one another.

Explanation:

The air flowing over a roof top which has a high velocity as compared to that flowing underneath. This is because of the increase in the kinetic energy of the air.

Kinetic energy is the energy which is due to the motion of an object. It is the energy which is present inside the body of an object which is in motion. Kinetic energy undergoes transformation to potential energy when the object comes at rest. The SI unit of Kinetic energy is Joule (J). Kinetic energy is a vector quantity as it has both the magnitude and direction.

When a fluid or other substances such as air flows into a narrower channel, the speed or velocity of the compound increases. This means that the kinetic energy of the substance also increases. This is because, kinetic energy is directly proportional to the velocity of the object.

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Answer:

true

Explanation:

i know this im in 6th grade

This is True. Gases spread around freely and take up any available space. For example, there is oxygen. Oxygen is a gas we breathe in and spreads around freely, taking up any space.

Answer:

Con Agra and Sare Lee

Explanation:

Answer:

open the dictionary/glossary. it will give you the definitions of the words there.

Explanation:

Answer:

i think it goes like this

Explanation:

The object is not moving, so the net force acting on it is zero.

The two given forces act in the same direction with a total magnitude of 2 N + 10 N = 12 N.

The third force acts counter to these with some magnitude F to give a net force of 0, so that by Newton's second law

F = 12 N

Answer:  

Exothermic Reaction  

Explanation:  

ENDOTHERMIC REACTION: A chemical reaction is considered endothermic if the energy is absorbed during the reaction. In other words, if the energy is required by the reactants to proceed with the reaction, then the reaction is endothermic.

The value of enthalpy change ΔH is positive in such reactions showing intake of energy.

EXOTHERMIC REACTION: A chemical reaction is considered exothermic if the energy is released during the reaction. In other words, if the energy is produced as a product of the reaction, then the reaction is exothermic.

The value of enthalpy change ΔH is negative in such reactions showing the release of energy.

Since, the value of ΔH = -125 KJ, is negative for the given reaction.

Therefore, it would be considered as Exothermic Reaction.

Based on Newton's first law of motion, when the space X falcon 9 was launched into the space, it will continue moving at that speed unless an external force acts on it.

The rate of change of momentum of the space X falcon 9 is directly proportional to the applied force of the engine, this is based on Newton's second law of motion.

Finally, according to Newton's third law of motion, the applied force on the space X falcon 9 is equal and opposite to reaction of the space X falcon.

Newton's first law states that if a body is at rest or moving at a constant speed in a straight line, it will remain at rest or keep moving in a straight line at constant speed unless it is acted upon by a force.

Newton's second law describes the affect of net force and mass upon the acceleration of an object.

Newton's third law states that when two bodies interact, they apply forces to one another that are equal in magnitude and opposite in direction.

Thus, based on Newton's first law of motion, when the space X falcon 9 was launched into the space, it will continue moving at that speed unless an external force acts on it.

The rate of change of momentum of the space X falcon 9 is directly proportional to the applied force of the engine, this is based on Newton's second law of motion.

Finally, according to Newton's third law of motion, the applied force on the space X falcon 9 is equal and opposite to reaction of the space X falcon.

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The team of engineers must first define the problem, Option A.

The term air quality has to do with the overall purity of the air in a certain locality. We know that the air in an area is affected by the activities of the people that reside in that vicinity.

In this case, the team of engineers must first define the problem before they can  improve local air quality in the community.

Missing parts;

A team of engineers is asked to help a community improve local air quality. What must the team do before it can begin to identify possible solutions?

answer choices

Iterate to improve the solution.

Define the problem.

Select one solution.

Model the solution.

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Answer:D

Explanation:

:)