18. Students are discussing the magnitude of the electrostatic force that sphere B exerts on sphere A.

Eva states that sphere B exerts a larger electrostatic force on sphere A than sphere A does on sphere B.

. Taylor states that sphere B exerts the same electrostatic force on sphere A as sphere A does on sphere B.

• Jac states that sphere B exerts a smaller electrostatic force on sphere A than sphere A does on sphere B.

Which student is correct? Give scientific reasoning to support your decision.

Answer:

Globular star clusters are located in the great spherical halo.

Explanation:

Hope this helps! :)

Answer:

A, B, C, E

Explanation:

Who wants to be shipped out, am I right?

Answer:

It would be equal pay, equal treatment, access to credit

AND access to higher education.

Explanation:

Hope this helps you!!!!

Answer:

Brainliest pls

Explanation:

lead solder, an alloy of tin and lead

window cleaner, a mixture of ammonia and coloring dissolved in water

gasoline, a mixture of organic liquids with a fixed composition throughout

The solutions and homogeneous mixtures in the given list are:

A. Lead solder, an alloy of tin and lead.

D. Window cleaner, a mixture of ammonia and coloring dissolved in water.

E. Gasoline, a mixture of organic liquids with a fixed composition throughout.

A solution can be defined as a special type of homogeneous mixture that comprises a solute and a solvent.

A homogeneous mixture can be defined as any solid, liquid, or gaseous mixture which has an identical (uniform) composition and properties throughout any given sample of the mixture.

In Science (Physics), all solutions are considered to be a homogeneous mixture because their constituents are uniformly (evenly) distributed.

In conclusion, the solutions and homogeneous mixtures in the given list are:

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Answer:

14,400

Explanation:

I guessed and I think it's right Soo

Answer:

we'll use the electric field formula. ı wrote the formula in the photo.

Explanation:

The electric field formula is obtained by multiplying force and charge. When you apply this process I mentioned, you will find an electric field. then it is to write the given values and find the result. achievements.

At the distance for which the electric field produced by a charge of -15 μc have a magnitude equal to 8. 7×104n/c is 3.93 meters.

Electric force is the force of attraction of repulsion between two bodies.

According to the Coulombs law, the force of attraction of repulsion between charged two bodies is directly proportional to the product of charges of them and inversely proportional to the square of distance between them.

It can be given as,

[tex]F=k\dfrac{Q}{r^2}[/tex]

Here, (k) is the coulombs constant,  (Q) is the charges and (r) is the distance between the two charges.

The charge of -15 μc have a magnitude equal to 8. 7×104n/c. Put this value in the above formula,

[tex]8.7\times10^4=(8.98\times10^{9})\dfrac{15\times10^{-6}}{r^2}\\r=3.93\rm\; m[/tex]

Thus, at the distance for which the electric field produced by a charge of -15 μc have a magnitude equal to 8. 7×104n/c is 3.93 meters.

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Answer:

Barium nitrate

Advandages:

1. Every unit that is connected in a parallel circuit gets equal amount of voltage.

2. It becomes easy to connect or disconnect a new element without affecting the working of other elements.

3. If any fault happened to the circuit, then also the current is able to pass through the circuit through different paths.

Disadvantages:

1. It requires the use of lot of wires.

2. We cannot increase or multiply the voltage in a parallel circuit.

3. Parallel connection fails at the time when it is required to pass exactly same amount of current through the units.

Answer:

Static electricity

Explanation:

A static reaction is transpiring with the surrounding air as well as her hair.

Answer:

Around 190-ish miles per hour when it hit the ground maybe

Explanation:

Answer:

This is your answer

If I freeze fresh water and salt water then the fresh water will freeze more quickly because salt lowers the freezing point temperature

Explanation:

I hope it helped you

Answer:

the same as the initial launch velocity (7.59 m/s)

Explanation:

vf^2 = vi^2 + 2ad

d = displacement = 0, so vf^2 = vi^2, so vf = vi = 7.59m/s

Seismic waves do not travel along the Earth’s surface. The statement is false.

The seismic waves can be defined as the waves full of energy that travel through the Earth's layer, these waves are the result of earthquake.

They can further be divided into two types body wave and surface waves. The body waves travel in the interior of the Earth and the surface waves travel at the surface of the Earth.

The seismic waves can have an amplitude of few centimeters in large earthquake. They travel slower as compared to the body waves.

Hence Seismic waves do not travel along the Earth’s surface. The statement is false.

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Answer:

False

Explanation:

Ed 2022

The best answer is true. Yes, control rods are used to slow down the reaction in the reactor core when the core becomes too hot.

A nuclear reactor, often known as an atomic pile, is a device that initiates and controls nuclear chain reactions or nuclear fusion processes.

Nuclear reactors are used in nuclear power plants to generate energy as well as in nuclear marine propulsion.

Control rods are employed in nuclear reactors because the processes that occur in a nuclear reactor are very exothermic.

As a result, when these control rods are infused into a nuclear reactor, they absorb neutrons and aid in the management of the chain reaction. As a result, the rate of the chain reaction is brought under control.

As a result, we may infer that the statement control rods are employed to slow down the reaction in the reactor core when it gets too hot is correct.

Hence the best answer is true. Yes, control rods are used to slow down the reaction in the reactor core when the core becomes too hot.

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For an automobile spring using a 25 kg car battery, the spring constant is mathematically given as

K=4.08.3N/m

Question Parameter(s):

a 25 kg car battery

The springs are pulled out by 0.06 meters

Generally, the equation for the Force  is mathematically given as

F=mg

Therefore

F=(25*9.8)

(25*9.8)=K(0.06)

K=4.08.3N/m

In conclusion, the spring constant

K=4.08.3N/m

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Answer:

We stay hugely we devour

Explanation:

It's the rock

[tex] \sf \qquad \qquad \huge \underbrace{єхplαnαtiσn}[/tex]

The correct choice is ❝ A ❞

❖ whєn wє tαlk αвσut α pєndulum, ít gσєѕ thrσugh ❝ tσ αnd frσ ❞ mσtíσn, αlѕσ knσwn αѕ hαrmσníc mσtíσn. αѕ вєíng ín thє cαѕє σf α pєndulum, thєrє'ѕ α cσntínuσuѕ chαngє ín kínєtíc αnd pσtєntíαl єnєrgч.

❖ whєn thє вσв íѕ αt mєαn pσѕítíσn, ít hαѕ ítѕ mαхímum vєlσcítч, αnd thє nєt fσrcє αnd αccєlєrαtíσn αctíng σn ít íѕ zєrσ, thєrєfσrє ít hαѕ mαхímum kínєtíc єnєrgч αt thαt pαrtículαr ínѕtαnt.

❖ whєrє αѕ, íf thє вσв íѕ αt σnє σf thє єхtrєmє pσѕítíσnѕ, ítѕ vєlσcítч вєcσmєѕ zєrσ, αnd thє αccєlєrαtíσn αnd fσrcє αctíng σn ít íѕ mαхímum, ѕímcє ít hαѕ nσ vєlσcítч, thєrєfσrє ít hαѕ nσ kínєtíc єnєrgч αt thαt ínѕtαnt, thє σnlч єnєrgч ít hαѕ αt thαt tímє íѕ pσtєntíαl єnєrgч.

❖ ѕíncє thє mσvєmєnt íѕ cσntínuσuѕ, cσntínuσuѕ chαngє ín єnєrgч σccurѕ, вut thє ѕum σf вσth thє єnєgíєѕ rєmαínѕ cσnѕtαnt αt єvєrч ínѕtαnt.

[tex]\qquad \qquad\huge \dag\normalsize\sf \boxed{\underline{ǤríʍɌεαƿєr}} \: \huge \dag[/tex]

Answer:

5 ohms

Explanation:

V = IR

10 = 2 R

R = 5

Answer:

a

Explanation:

Answer:

a-d

Explanation:

hope this helps

Answer:

15.6 degrees

Explanation:

Answer:

 It increases to three times it's original value.

Explanation:

B

Hi there!

Recall the equation for the magnetic field of a wire (assuming infinite):

[tex]B = \frac{\mu _0 i_{encl}}{2\pi r}[/tex]

B = Magnetic field (T)
μ₀ = Permeability of Free Space (Tm/A)

i = enclosed current (A)
r = distance from wire (m)

From the equation, we can see that there is a DIRECT relationship between the current and the magnetic field.

Therefore, if the current is increased by a factor of 3, the FIELD will also be increased by a factor of three.

Answer:

I = Q / t          definition of current I

Q = i t = 10 Coul/sec * 60 sec = 600 Coul

A 10-A current is maintained in a simple circuit with a total resistance of 209 ohms, then the net charge passes through any point in a circuit during a 1-minute interval would be 6000 Coulombs.

Charged material experiences a force when it is exposed to an electromagnetic field due to the physical property of electric charge. You can have a positive or negative electric charge.

Electric current is defined as the charge per unit of time.

The mathematical relation between current and the electric charge

I =Q/T

Let us first convert the time period of minutes into seconds

1 min = 60 seconds

10  min = 10*60 seconds

            =600 seconds

Q = I*t

   =10*600

   =6000 Amperes

Thus, the net charge that passes through any point in a circuit during a 1-minute interval would be 6000 Amperes.

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Answer:

If the body temperature falls below this temperature then enzymes will work too slowly for body process to occur fast enough the keep the mammal alive.

Explanation:

The visible spectrum is composed of red, orange,yellow,  green, blue, violet, indigo.

The visible spectrum refers to the portion of the electromagnetic spectrum that can be seen with the eyes. All other portions of the electromagnetic spectrum are invisible.

The question is incomplete as the details are missing. The visible spectrum is composed of red, orange,yellow,  green, blue, violet, indigo.

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Explanation:

What are the integers between -4 and +4?

First quarter is the phase of the moon would someone on Earth will see  when the moon is at Positions A through F.

This is the phase which occurs when the moon is 90 degrees away from the sun in the sky and is half-illuminated from our point of view.

When looking it at the moon from point F it's half-illuminated which depicts the First quarter moon phase.

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Glass is known to be a good insulator because atoms in glass hold on tightly to their positively charged particles.

Insulators are those substances that do not conduct heat or electricity like their conductor counterparts.

Conduction of electric charges is as a result of the free flow of electrons in the atom of the substance.

Hence, a good insulator holds on tightly to its electrons and prevent them from flowing freely to conduct electric charges.

Therefore, Glass is known to be a good insulator because atoms in glass hold on tightly to their positively charged particles.

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It's the first answer, The atoms in glass hold on tightly to their positively charged particles.

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much love <3

Explanation:

velocity = frequency × wave length

velocity = 440 × 0.78

velocity = 343 m/sec

can you please mark my answer brainliest ♥️

Answer:

(Option B)The car travels 15km in 15 minutes.

Explanation:

Notice that the speed is written using units of km/h and the time is written using units of minutes.

Convert the time interval to hours. Remember that 1 hour equals 60 minutes:

15 min = 15 min × [tex]\frac{1h}{60~min}=0.25h[/tex]

The distance d that a particle travels during a time t if it moves at an average speed v is given by the formula:

d = v · t

Replace v=60km/h and t=0.25h to find the distance traveled by car:

[tex]d=(60\frac{km}{h}) ~x~(0.25h)=15km[/tex]

Therefore, the car travels 15km in 15 minutes.

Hope this helps!

If you have any queries please ask.