At what distance does the electric field produced by a charge of -15 μc have a magnitude equal to 8. 7×104n/c?

The sampling rate that's given regarding the CPU will produce a rate of 256kps.

The following can be gotten from the question:

Sampling rate = 8KHx

Number of bits = 32

The data rate will be:

= 32 × 8kbps

= 256kps

In conclusion, the sampling rate that's given regarding the CPU will produce a rate of 256kps.

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The sampling rate specified for the CPU will result in a 256kb/s rate.Sampling rate is also known as the sampling frequency.

The number of samples per second collected from a continuous signal to create a discrete or digital signal is referred to as sampling rate or sampling frequency.

The given data in the problem is;

Sampling rate= 100 mhz cpu

Number of  bits=32

The rate of the data is;

[tex]\rm R = 32 \times 8 kb/ s \\\\ \rm R = 256 kb / s \\\\[/tex]

Hence the sampling rate specified for the CPU will result in a 256kb/s rate.

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Answer:

The just-noticeable concept.

Explanation:

Answer:

That is a very broad question. One thing that does not seem to be considered is the depletion of the ozone layer at high altitudes.

In the 1960's chlorofluorcarbons (CFC,s) became popular as refrigerants, spray can propellants, etc.  In January 1989 the Montreal Protocol was passed which has greatly reduced the use of these substances. However, it may be several decades before the ozone layer can be replaced and again absorb harmful ulraviolet rays that may be partly responsible for the increase in global warming.  

(One chlorine atom at high altitudes can be responsible for the destruction of 100,000 molecules of ozone - catalytic reaction)

The current required in the windings of the given long solenoid that has 1580 turns uniformly distributed over the length of the solenoid is 1.98 A.

The magnetic field at the center of a solenoid is given by the following formula,

B = μ₀nI

where;

I = B/μ₀n

I = (0.00394) / (4π x 10⁻⁷ x 1580)

I = 1.98 A

Thus, the current required in the windings of the given long solenoid is 1.98 A.

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a) The frequency of the wave is 4.0 Hz

b) The period T of the wave is 0.25s

c) The speed of the wave is 12m/s

Given the data in the question;

Frequency is simply the number of occurrences of a repeating phenomenon per unit time.

Period is the time needed for a complete cycle of vibration to pass a given point.

It is expressed as;

[tex]T = \frac{1}{f}[/tex]

Where f is the frequency

Speed is simply the distance traveled in a given interval of time or time ratio.

It is expressed as;

[tex]v = \lambda * f[/tex]

Where [tex]\lambda[/tex] is wavelength and f is frequency

a) Frequency

We said frequency is the number of occurrences of a repeating phenomenon per unit time.

Since the wave oscillates 4.0 times a second

Hence, the frequency of the wave is 4.0 Hz

b) Period

[tex]Period\ T = \frac{1}{f} \\\\Period\ T = \frac{1}{4.0Hz}\\\\Period\ T = \frac{1}{4.0s^{-1}}\\\\Period\ T = 0.25s[/tex]

Therefore, the period T of the wave is 0.25s

c) Speed

[tex]v = \lambda * f\\\\v = 3.0m * 4.0Hz\\\\v = 3.0m * 4.0s^{-1}\\\\v = 12ms^{-1}\\\\v = 12m/s[/tex]

Therefore the speed of the wave is 12m/s.

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Answer:

a particular level of electical potential from a power source

Answer:

you divide the distance by the time it takes to travel that same distance, then you add your direction to it.

Answer:

A,B,C

Explanation:

because that is true

Answer: 1.51 km

Explanation:

Coulomb's Law: The electrostatic force between two charge particles Q: and Q2 is directly proportional to product of magnitude of charges and inversely proportional to square of separation distance between them.

Or,   [tex]\vec{F}=k \frac{Q_{1} Q_{2}}{r^{2}}[/tex]

Where Q1 and Q2 are magnitude of two charges and r is distance between them:

Given:

Q1 = Charge near top of cloud = 48.8 C

Q2 = Charge near the bottom of cloud = -41.7 C

Force between charge at top and bottom of cloud (i.e. between Q: and Q2) (F) = 7.98 x 10^6N

k = 8.99 x 109Nm^2/C^2

So,

[tex]\begin{aligned}&7.98 \times 10^{6}=\left(8.99 \times 10^{9} \mathrm{Nm}^{2} / \mathrm{C}^{2}\right) \frac{48.8 \mathrm{C} \times 41.7 \mathrm{C}}{\mathrm{r}^{2}} \\&r=\sqrt{\frac{1.8294 \times 10^{13}}{7.98 \times 10^{6}}}=1.514 \times 10^{3} \mathrm{~m}=1.51 \mathrm{~km}\end{aligned}[/tex]

Therefore, the separation between the two charges (r) = 1.51 km

The time taken by the runner to do the work is 1.42 seconds.

Given the data in the question;

Power can be simply referred to as the quantity of energy transferred per unit time.

It is expressed as;

[tex]P = \frac{W}{t}[/tex]

Where W is work done and t is time elapsed.

To determine the time it took the runner to do the work, we substitute our given values into the expression above.

[tex]P = \frac{W}{t} \\\\t = \frac{W}{P} \\\\t = \frac{457J}{321W} \\\\t = \frac{457 kgm^2/s^2}{321 kgm^2/s^3}\\\\t = 1.42s[/tex]

Therefore, the time taken by the runner to do the work is 1.42 seconds.

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Answer: Mass Number

Explanation:

Atomic number is the number of just protons;

Nuclear Model is a theoretical description of what an atom looks like;

Energy levels are the energy states that electrons are in;

However, mass number is by definition the number of protons + number of neutrons. :)

Answer:

m = 100 kg

Explanation:

F = ma

120 = m × 1.2

m = 120 ÷ 1.2

m = 100 kg

Answer:

2 kg

Explanation:

K.E. = 1/2 m v^2

81   = 1/2  m (9^2)

1 = 1/2 m

m = 2 kg

Answer:

1. Why does a magnet exert force on another magnet when the two magnets are not in contact? The magnetic field from north to south increases when they're closer together, and when they repel the repelling force increases as well. This is all due to the magnetic field.

Correct me if I'm wrong, Hope this helps

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Distance is the factor that decreased the sound intensity.

As a sound wave carries its energy through a  medium, the intensity of the sound wave decreases with increasing distance from the source.

So we can conclude that distance is the factor that decreased the sound intensity.

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By a factor of 1/9, the sound intensity decreased at 3 meters. Option A is correct,

Sound intensity is inverse proportional to the square of the distance.

The intensity of the sound is;

[tex]\rm I = \frac{1}{d^2} \\\\ \rm I = \frac{1}{3^2} \\\\ I=\frac{1}{9}[/tex]

By a factor of 1/9, the sound intensity decreased at 3 meters.

Hence, option A is correct,

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Answer:

C. Stimulus = temperature, response = sweat

Explanation:

So basically, stimulus means cause and response means effect.

So, the cause in this case is temperature, while the response to the temperature is sweating.

The difference between the majority viewpoint and the minority view is that the majority group is made to feel normal and the minority group is made to feel divergent.

A vantage point or point of view from which something is viewed or assessed is known as the viewpoint The story is narrated from a variety of perspectives, including two major ones and several smaller ones.

Most studies comparing majority versus minority influence argue the author, places a premium on influence in the sense of prevailing. In this context.

There is evidence that majorities have greater public influence than minorities, and that minority impact when it happens, is mostly latent. In the current version,

Hence the difference between the majority viewpoint and the minority view is that the majority group is made to feel normal and the minority group is made to feel divergent.

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    Answer:  D        

Explanation:

Simplified for you.

Answer:

Explanation: “Every action has an equal opposite reaction” is Newton’s third law. So in this situation, kicking the soccer ball is the action and the reaction is it rolling.

Answer:

you push against the ball and the ball pushes back at you

Your force->|<- ball's force

Explanation:

For every action, there is an equal and opposite reaction

Answer:

The foil makes the microwave spark it can smoke up and catch fie.

Explanation:

-The aluminum foil's sharp edges are what causes the fire, smoke, and sarks.

- Hope This Helps!

-Justin:)

Answer:

itll spark and catch fire

Explanation:

Answer:

B. 240Ω

Explanation:

The formula between voltage, current and resistance is:

voltage = current × resistance

So resistance = voltage ÷ current

Therefore resistance = 120 ÷ 0.5

Resistance = 240Ω

Answer:

It will cool down and become a cold black dwarf.

Explanation:

The electron degeneracy pressure slowly overwhelms gravity, and the white dwarf evaporates. As gravity overwhelms the electron degeneracy pressure, it will explode as a nova.

Answer:

ADD ALL THEM AND ANSER WILL BE THERE 19.O

Explanatio

Answer:

The apparatus would need to be extremely delicate because of the very small values being measured, the gravitational attraction of two massive objects.

(I) the torsion constant, measuring the deflection of massive objects would be very small and difficult to measure accurately

(II) since all surrounding objects are massive, it is difficult to remove the effect of such objects from forces being measured

(III) to consider a massive object as having all of its mass at its center, the massive object would need to be uniform throughout - any nonuniformity of the object would affect the calculations

(IV) all physical measurements would need to be made with utmost accuracy because of the relatively small distances involved with regard to the extremely small force being measured

(V) today laser measurements would assist in measuring small deflections accurately

The person applying a greater pressure to the box is Cindy since it takes her a lesser  time to move the box up the hill.

The term pressure is defined as the force per unit area. WWe know that the magnitude of force applied is shown by the time taken to push the box up the hill.

Since Cindy pushes the box up the hill in only five seconds, it means that Cindy is applying a greater pressure to the box.

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Astronomers suspected an eighth planet beyond Uranus because of the irregularities in the motion of Uranus suggested that gravity from another planet was affecting it.

It should be noted that an astronaut simply means an individual who is trained to travel in spacecrafts.

In this case, astronomers suspected an eighth planet beyond Uranus because of the irregularities in the motion of Uranus suggested that gravity from another planet was affecting it.

In mid-1800s, astronomers used the orbits of most asteroids to predict where a planet would have to be.

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Answer:

Voltage and current sources are two different sorts of sources that may be found in an electrical network. A voltage source has an emf forcing function, whereas a current source has a current forcing function.

☆ ------ ☆ ------ ☆ ------ ☆ ------ ☆

Now

[tex]\\ \rm\rightarrowtail \nu=\dfrac{1}{T}[/tex]

[tex]\\ \rm\rightarrowtail \nu=\dfrac{1}{8\times 10^{-5}}[/tex]

[tex]\\ \rm\rightarrowtail \nu=0.125(10^5)[/tex]

[tex]\\ \rm\rightarrowtail \nu=12500s^{-1}[/tex]

[tex]\\ \rm\rightarrowtail \nu=12500Hz[/tex]

(1) The image of an object placed further from the lens than the focal point will be upside down and smaller than the object.

(2) When light rays reflect, they bounce back.

(3)  Images formed by a concave lens will look magnified.

(4) When light rays enter a different medium, they bend.

The image of an object placed further from the lens than the focal point will be diminished and inverted.

Thus, the correct answer will be "upside down and smaller than the object".

The ability of light to bounce back when it strike a hard surface is known as refection.

A concave lens is diverging lens is usually virtual, erect and magnified.

The change in speed of light when it travels from medium to another medium is known as refraction. Refraction is also, the ability of light to bend around obstacles.

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Answer:

It is upside down and larger than the object

They bounce back

Magnified

They bend

Explanation:

Explanation:

Given : m=600kg h=20 m

Time of operation t=2 min =120 s

Work done in lifting a box W=mgh=600×10×20=120000

Power required P=

t

W

=

120

120000

=1000 watts