when enciphering a message, Plain Text is changed into
A) Code Text
B) Caesar Text
C) Euler Text
D) Plain Text

Answers

Answer 1

When enciphering a message, Plain Text is changed into Code Text. So, the correct answer is D.

What's enciphering

Enciphering is a method of encoding a message, that is, scrambling a message in a way that only the intended recipient can decode and read it. A message written in plain text is changed into a ciphertext to prevent unauthorized access or interception. Encryption and decryption are two opposite processes in cryptography.

What is cryptography?

Cryptography is the study of securing sensitive information, communications, and systems to prevent unauthorized access, data theft, and other malicious acts. The technique is used to secure data transmission, storage, and communications. Encryption, decryption, and steganography are some of the popular techniques of cryptography.

What is plain text?

Plain text is a message or data that is not encrypted, encoded, or disguised. It is readable and understandable text, which is simple and easy to understand by anyone.

In cryptography, plain text is the original message that needs to be encrypted. This message can be read or understood by anyone who can intercept or access it.

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Related Questions

what is the best practice for laboratory measurement?

Answers

The best practice for the laboratory measurement is the usage of the analytical scale for measuring the weight because it is the most precise instrument.

The graduated cylinder is considered to be the best when measuring volume. It is quite difficult to get it exact. Hence, the results may vary. The caliper is best instrument when measuring length of any body.

The practical work inside the lab includes various things like lab equipment, chemicals. The practical outside a laboratory is more about conservation of nature and practicals. All this include natural things in their living areas. Practical are set up stations with lab equipment and chemicals and where students learn practical of the theoretical statements.

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how does lightning interfere with radio wave communication?

Answers

Explanation:Lightning can affect radio waves in a number of ways. First, lightning can cause static interference on radio frequencies. This is because the electrical discharge from lightning can create electromagnetic fields that can disrupt radio signals. Second, lightning can also cause physical damage to radio equipment.

Put these components from largest to smallest

1. comet

2. star

3. galaxy

4. nebula

5. planet

6. universe

Answers

Answer:

6, 3, 2, 5, 4, 1

Explanation:

Let's describe them from smallest to largest. In fact the size order is not exact as there are exceptions.

An asteroid is a rocky body which lies in the asteroid belt between Mars and Jupiter. They are typically quite small object. The largest asteroid Ceres has been reclassified as a dwarf planet.

A moon is typically a rocky body which is in orbit around a planet. Some moons such as our Moon are quite large and are typically bigger than asteroid. Some moons can actually be smaller than some asteroids.

A planet is a nearly spherical body which is in orbit around the Sun. Planets are larger than moons.

A star is what planets orbit around. It is the source of light and heat. Our Sun is a star which is many times bigger than all of the planets.

A solar system is a star and all of its planets, asteroids, comets and other bodies. It is significantly bigger than a star.

A galaxy, such as our Milky Way Galaxy, is a collection of solar systems orbiting around a central core. Most galaxies have a supermassive black hole at their centres.

Galaxies also form clusters which are large scale structures.

The universe is everything. It contains billions of galaxies.

A 0.15 kg project hits the ground with a speed of 11 m/s. The project comes to rest in 0.015 seconds. What is the net force?

Answers

Answer:

Explanation:

ACCORDING TO NEWTONS SECOND LAW;

F = mass * acceleration

F = m(v-u/t)

m is the mass = 0.15kg

v is the final velocity = 11m/s

u is the initial velocity = 0m/s

t is the time = 0.015

Substitute;

F = 0.15(11-0)/0.015

F = 0.15(11)/0.015

F = 1.65/0.015

F = 110N

Hence the net force is 110N

while at rest on a hillside, army the armadillo rolls up into a ball. as a result, they begin to roll down the hill. at a certain moment during the roll, their gravitational potential energy has decreased by 40 j, and their translational kinetic energy has increased by 15 j. by how much has their rotational kinetic energy changed?

Answers

The rotational kinetic energy of the armadillo has increased by 25 joules.

This is because the armadillo is rolling down the hill, which means that it is rotating around its center of mass. As it rolls, it is converting its gravitational potential energy into translational and rotational kinetic energy.

Since the gravitational potential energy has decreased by 40 joules and the translational kinetic energy has increased by 15 joules, the remaining 25 joules must have been converted into rotational kinetic energy. This means that the armadillo's rotational kinetic energy has increased by 25 joules.

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What is refraction? please answer it help me

Answers

Answer: Refraction is the bending of light (it also happens with sound, water and other waves) as it passes from one transparent substance into another.

Explanation:

A 12 volt battery is connected to two resistors in series. The first resistor has a resitance value of 5 Ohms and the current through the circuit is 1.5 Amps. What is the value of the second resistor?

a
9 Ohms
b
1.5 Ohms
c
5 Ohms
d
3 Ohms

Answers

Answer:

D) 3 ohms

Explanation:

According to one law

V = IR

Where V = voltage or potential difference

I =current

R =resistance

Making R the subject

R= V/I

R= 12/1.5

R=8 ohms

Sum of resistance of resistors in series equals the total resistance

R(total) = R1+ R2

8 =5+ R2

8-5=R2

3=R2

How does the amount of a relationship between a ball’s height above the ground ( 0m, 1m, 2m, 3m, 4m 5m ) affect the gravitational potential energy (J).

Answers

Answer:

They are linearly proportional, i.e. the higher the ball is, the more potential energy it has.

Explanation:

The formula for gravitational potential energy is PE=mgh where m is mass of the object, h is height above the ground and g is the constant of gravitational acceleration (9.81 m=s²). So, if we increase the heigth, the potential energy also increases.

a playground merry-go-round has a mass of 120 kg and a radius of 1.80 m and it is rotating with an angular velocity of 0.450 rev/s. what is its angular velocity (in rev/s) after a 18.0 kg child gets onto it by grabbing its outer edge? the child is initially at rest.

Answers

A playground merry-go-round has 120 kg, 1.80 m radius, and 0.450 rev/s rotational velocity. The final angular velocity of the system with the child is 0.386 rev/s.

Before the child gets onto the merry-go-round, the total angular momentum of the system is given by:

L₁= I₁ω₁

where I₁ is the moment of inertia of the merry-go-round and ω₁ is its initial angular velocity.

After the child gets onto the merry-go-round, the total angular momentum of the system is given by:

L₂= (I₁ + I₂)ω₂

where I₂ is the moment of inertia of the child and ω₂ is the final angular velocity of the system.

Assuming that the child grabs the outer edge of the merry-go-round, the moment of inertia of the system with the child is:

I₁ + I₂ = \(\frac{1}{2}\)MR²+ MR²= \(\frac{3}{2}\)MR²

where M is the total mass of the system (merry-go-round + child) and R is the radius of the merry-go-round.

Using conservation of angular momentum, we can equate L₁ and L₂:

I₁ω₁ = \(\frac{3}{2}\)MR²ω₂

Solving for ω₂, we get:

ω₂ = (2I₁ω₁)/(3MR²)

Substituting the given values, we get:

ω₂ = (\(\frac{20.5 * 1201.8^{20.450}}{3(120+18)*1.8^2)}\))= 0.386 rev/s

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what is cell function

Answers

Answer:

Cells are the basic building blocks of all living things. The human body is composed of trillions of cells. They provide structure for the body, take in nutrients from food, convert those nutrients into energy, and carry out specialized functions.

Explanation:

A student wants to design an experiment to study the transformation of mechanical energy. Which object can be used to investigate how gravitational potential energy transforms into kinetic energy?(1 point)

a spring

a flat race car track

a slide

a rug

Answers

I guess it’s the 3rd one

Answer: I think it would be a spring

Explanation: a rug, a slide, and a race track would all have friction and friction is not a conservative force which wouldn’t qualify for mechanical energy.

That’s my guess I’m not very good at this stuff though

1. Which of the following is not an acceptable Physical Education activity?
O a. vacuuming
O b. lacrosse
O c. dance
O d. martial arts

Answers

The answer is A

Explanation:
Vacuuming doesn’t involve a lot of physical movements.
A. Vacuuming


not a lot of physical movement is required

If the same wave in question #3 travels through water with the same wavelength, at what frequency will it be traveling? (speed of sound in water = 350 m/s)

Answers

According to the question the wave would be travelling at a frequency of 175 Hz.

What is frequency?

Frequency is a measure of how often something happens or is experienced over a period of time. It is typically measured in hertz (Hz), cycles per second, events per second, or as a proportion of the number of events that occur during a given period of time. Frequency can be used to describe the rate at which a signal or event occurs in a variety of fields, including physics, engineering, mathematics, finance, and music.

The frequency of a wave is determined by the equation f = v/λ,
where f is the frequency, v is the speed of the wave and λ is thewavelength.
In this case, the wave has a wavelength of 2 m and is travelling through water with a speed of 350 m/s.
Plugging these values into the equation gives us f = 350/2 = 175 Hz.
Therefore, the wave would be travelling at a frequency of 175 Hz.

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The different odds of survival between a preterm and a full-term newborn involve: cephalic development.
the maturation of the skeletal system.
the maturation of the neurological, respiratory, and cardiovascular systems.
proximo-distal development.

Answers

Answer: B

Explanation:

place the events of the solar system's formation in chronological order from protostellar cloud to present day
Nebula evolves into a disc shape with a dense central bulge.
Solid particles come out of solar nebula.
Grain-sized particles stick together.
Planetesimals and protoplanets form.
Formation of terrestrial planets.
Late stage bombardment.

Answers

Nebula evolves into a disc shape with a dense central bulge.

Solid particles come out of the solar nebula.

Grain-sized particles stick together.

Planetesimals and protoplanets form.

Formation of terrestrial planets.

Late stage bombardment.

The process of the solar system's formation is thought to have occurred in the following chronological order:

Nebula evolves into a disc shape with a dense central bulge: The initial stage involves the collapse of a massive cloud of gas and dust, known as a nebula, under the influence of gravity. As it collapses, the nebula takes on a flattened disc shape with a dense central bulge.

Solid particles come out of the solar nebula: Within the flattened disc of the nebula, solid particles, including dust and ice, begin to condense and coalesce.

Grain-sized particles stick together: The solid particles continue to collide and stick together, forming larger clumps and eventually grain-sized particles.

Planetesimals and protoplanets form: Through further collisions and accretion, the grain-sized particles gather to form larger bodies called planetesimals. These planetesimals continue to grow through additional collisions and accretion, eventually becoming protoplanets.

Formation of terrestrial planets: The protoplanets further accumulate matter and undergo differentiation, leading to the formation of terrestrial planets. Terrestrial planets are characterized by their rocky composition and relatively small size compared to gas giants.

Late stage bombardment: During the late stages of the solar system's formation, there was a period of intense bombardment known as the Late Heavy Bombardment. This period involved a significant amount of impacts from leftover planetesimals and other celestial bodies, causing widespread cratering on the surfaces of the planets and moons.

It is important to note that the precise details of the solar system's formation are still being studied and researched, and our understanding of the process continues to evolve based on new observations and discoveries.

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Temperature is a measure of the average
________________
energy of particles in a substance.
kinetic
Temperature and kinetic energy have a
__________
relationship.
direct
Kelvin, Celsius, and Fahrenheit are three types of
______________
scales.
temperature
What are the units for measuring specific heat?
joules per gram degree Celsius
Which best compares kinetic energy and temperature?
Kinetic energy is energy of motion, while temperature is a measure of that energy in substances.

Answers

Temperature is a measure of the average kinetic energy  energy of particles in a substance.

Temperature and kinetic energy have a directly proportional relationship.

Kelvin, Celsius, and Fahrenheit are three types of Temperature scales.

The average kinetic energy of the particles in a substance is measured by temperature. The overall kinetic energy of the particles in a substance is measured by its thermal energy. The temperature and thermal energy of a substance increase with particle mobility.

The average kinetic energy of a substance's particles is directly proportional to the substance's temperature.

The three temperature scales that are now in use are Kelvin, Celsius, and Fahrenheit.

Typically, calories or joules per gramme per degree Celsius are used as the units of specific heat. For instance, water has a specific heat of 1 calorie (or 4.186 joules) per gramme per degree Celsius.

Temperature is a measurement of that energy in substances, whereas kinetic energy is the energy of motion.

Temperature is a measurement of that energy in substances, whereas kinetic energy is the energy of motion. According to Zoe, a material has a temperature of 12 degrees Celsius. What does this indicate to Zoe regarding the substance? It has an average kinetic energy of 12 Celsius.

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Temperature is a measure of the average kinetic energy  energy of particles in a substance.

Temperature and kinetic energy have a directly proportional relationship.

Kelvin, Celsius, and Fahrenheit are three types of Temperature scales.

The average kinetic energy of the particles in a substance is measured by temperature. The overall kinetic energy of the particles in a substance is measured by its thermal energy. The temperature and thermal energy of a substance increase with particle mobility.

The average kinetic energy of a substance's particles is directly proportional to the substance's temperature.

The three temperature scales that are now in use are Kelvin, Celsius, and Fahrenheit.

Typically, calories or joules per gramme per degree Celsius are used as the units of specific heat. For instance, water has a specific heat of 1 calorie (or 4.186 joules) per gramme per degree Celsius.

Temperature is a measurement of that energy in substances, whereas kinetic energy is the energy of motion.

Temperature is a measurement of that energy in substances, whereas kinetic energy is the energy of motion. According to Zoe, a material has a temperature of 12 degrees Celsius. What does this indicate to Zoe regarding the substance? It has an average kinetic energy of 12 Celsius.

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A planoconvex lucite lens 4.2 cm in diameter is Part A placed on a flat piece of glass as in the figure 34-18 in the textbook. When 580−nm light is incident What is the radius of curvature of the lens surface? normally, 42 bright rings are observed, the last one right at the edge. Express your answer using two significant figures. Part B What is the focal length of the lens? Express your answer using two significant figures.

Answers

Part A: The radius of curvature of the lens surface is approximately 3.17 m. Part B: The focal length of the lens is approximately 1.59 m.

How to find radius and length?

Part A:

To find the radius of curvature of the lens surface, use the formula for the radius of the nth bright ring in a planoconvex lens:

r = √(n × λ × f),

where r = radius of the nth bright ring, λ = wavelength of light, and f = focal length of the lens.

In this case, n = 42 (since the last bright ring is observed at the edge), λ = 580 nm (converted to meters, so λ = 580 × 10⁻⁹ m).

Rearranging the formula, solve for f:

f = r² / (n × λ).

Plugging in the values:

f = (0.021 m²) / (42 × 580 × 10⁻⁹ m).

Calculating this expression gives:

f = 3.17 m.

Therefore, the radius of curvature of the lens surface is approximately 3.17 m.

Part B:

The focal length of the lens can be determined using the formula:

f = R / 2,

where R = radius of curvature.

Plugging in the value for the radius of curvature obtained in Part A:

f = 3.17 m / 2.

Calculating this expression gives:

f = 1.59 m.

Therefore, the focal length of the lens is approximately 1.59 m.

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a child with a mass of 30 kg is standing on a spring scale in an elevator. if the spring scale reads 360 n, what are the magnitude and direction of the acceleration of the elevator at this time? the acceleration due to gravity is 10 m/s2 .

Answers

The acceleration of the elevator at this time was 2m/s² and the elevator was accelerating the upward direction.

The mass of the child standing on a spring scale in an elevator is 30 kg the elevator is showing a reading of 360 Newtons.

The reading note by the elevator is given by radiation,

W = M(g+a)

Where w is the reading of the spring scale,

M is the mass of the child,

g is the gravitational acceleration which is given to be 10m/s² and a is the acceleration of the elevator.

Putting values,

360 = 30(10+a)

12 = 10+a

a = 2m/s²

As you can see from the above result that the acceleration of the lift is 2m/s² and because it is positive it means that the elevator is accelerating in the upward direction.

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Monitoring your grades will help you pinpoint your academic weaknesses. true or false.

Answers

Answer:

A:True It is good too monitor your grades because you can keep track of your grades and pinpoint your weaknesses.

Explanation:

Answer:

True, monitoring your grades can help you understand your weaknesses as a student.

What does it mean when work is positive?

Answers

Both positive work and negative work have meaning: Positive work follows when the force has a component parallel to the displacement. Positive work adds energy to a system. Negative work follows when the force has a component opposite or against the displacement.

A 100 kg bungee jumper leaps from a bridge. The bungee cord has an un-streched equilibrium length of 10 m, and a spring constant of 35 N/m. What is the greatest vertical distance below the bridge surface that the bungee jumper will reach? Enter your answer as a positive number in meters, but do not enter units.

Answers

Answer:

11.78meters

Explanation:

Given data

Mass m = 100kg

Length of cord= 10m

Spring constant k= 35N/m

At the greatest vertical distance, the spring potential energy is equal to the gravitational potential energy

That is

Us=Ug

Us= 1/2kx^2

Ug= mgh

1/2kx^2= mgh

0.5*35*10^2= 100*9.81*h

0.5*35*100=981h

1750=981h

h= 1750/981

h= 1.78

Hence the bungee jumper will reach 1.78+10= 11.78meters below the surface of the bridge

Answer:

\(X=74.7\)

Explanation:

From the question we are told that:

Mass \(m=100kg\)

Length \(l=10m\)

Spring constant \(\mu=35N/m\)

Generally the equation for potential energy of mass is mathematically given by

 \(P.E_m=mgh\)

Since

 \(P.E_m=P.E_s\)

Where

 P.E_s =potential energy of spring

Therefore

\(m*g*(x+10) = 0.5*k*\mu^2\)

\(100*9.8*(x+10) = 0.5*35*\mu^2\)

\(980*(x+10) = 17.5*\mu^2\)

\(980*x+9800 = 17.5*\mu^2\)

 \(17.5*\mu^2 - 980*\mu - 9800 = 0\)

Comparing the equation above with standard quadratic equation

 \(17.5*\mu^2 - 980*\mu - 9800 = 0\)

 \(ax^2+bx+c=0\)

Giving

  \(a=17.5\\ b=-980\\ c=-9800\)

Solving Quadratic equation the roots of the equation is given as

 \(\mu_1=64.66\)

 \(\mu_2=-8.661\)

Since

\(\mu\) can not be -ve

Therefore

The vertical distance attained by the bungee jumper is given as

 \(X=\mu+l\)

 \(X=64.7+10\)

 \(X=74.7\)

You stand 280 cm away from a tuning fork emitting a sound with 7.6 x 10^-4 w of
power. what is the intensity of the sound you hear?

Answers

The intensity of the sound you hear at a distance of 280cm away from the tuning fork is 7.72 x 10⁻⁶ W/m².

What is sound intensity?

The power carried by sound waves per unit area in a direction perpendicular to that area.

It is defined as the ratio of power and area.

I = P / 4πr²

Given is the radius 280 cm =  2.8 m and power 7.6 x 10⁻⁴ watt, then the sound intensity is

I =  7.6 x 10⁻⁴ / (4 x 3.14 x 2.8²)

I = 7.72 x 10⁻⁶ W/m²

Thus, the intensity of the sound you hear at a distance of 280cm away fr0om the tuning fork is 7.72 x 10⁻⁶ W/m².

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consider an ideal brayton cycle executed between the pressure limits of 1200 kpa and 100 kpa and temperature limits of 20 c and 1000 c with argon as the working fluid. the temperature at the exit of the compressor in celsius is

Answers

In an ideal Brayton cycle executed between the pressure limits of 1200 kPa and 100 kPa and temperature limits of 20°C and 1000°C with argon as the working fluid, the temperature at the exit of the compressor in Celsius is 106°C.

How to calculate the temperature at the exit of the compressor?

The Brayton cycle is a thermodynamic cycle that describes a constant-pressure heat engine cycle. In the Brayton cycle, the compressor takes in cool air at atmospheric pressure and compresses it, then heats it in a combustion chamber and expands it to do work, driving a turbine and generating electricity.

To determine the temperature at the exit of the compressor in Celsius, use the following formula:

\(T_2 = T_1 * (P_2 / P_1)^{ ((k-1) / k)}\)

Where \(T_1\) is the temperature at the inlet of the compressor in kelvins, \(P_1\) is the pressure at the inlet of the compressor, \(P_2\) is the pressure at the exit of the compressor, \(T_2\) is the temperature at the exit of the compressor in kelvins, and k is the heat capacity ratio of the gas.

Converting the temperatures to kelvin scale: 20°C = 293K, 1000°C = 1273K, \(T_1= 293K\), \(P_1 = 100kPa\), \(P_2 = 1200kPa\), k = 1.66

The formula is applied to find the temperature at the exit of the compressor: \(T_2 = T_1 * (P_2 / P_1) ^ {((k-1) / k)}\)

\(T_2 = 293 * (1200/100) ^ {((1.66 - 1) / 1.66)}\\T2 = 379.4K\)

The temperature at the exit of the compressor in Celsius is: 379.4K - 273.15 = 106.25°C ≈ 106°C.

Therefore, the answer is 106°C.

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1. ¿Cuál es el actor clave de del exceso de peso corporal?

Answers

El factor mas importante para el exceso de peso es un  exceso de energía creada por una alimentación excesiva

El peso de un cuerpo es definido por la relación entre la energía requerida para los procesos vitales del cuerpo, sus actividades físicas diarias y la energía suministra en forma de alimentos.

Cuando estos dos parámetros están en balance el peso es estable. Cuando la cantidad de alimentos aumenta o el valor energético de los mismo aumenta se tiene un exceso de energía que el cuerpo almacena en forma de grasa corporal, este el el factor mas importante para el exceso de peso.

En conclusión el factor mas importante para el exceso de peso es un  exceso de energía por una alimentación excesiva

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Ignoring friction, what is the acceleration of a 75.0 kg object which is acted upon by an
unbalanced force of 500 N?

Answers

Explanation:

we can use the formula F = ma

hence,

500 = 75a

a = 6.666 m/s² or 6(2/3) m/s²

hope this helps.

Look at the diagram below. What is the total resistance of the resistors in this circuit?

Look at the diagram below. What is the total resistance of the resistors in this circuit?

Answers

The total resistance of the resistors in the circuit from the diagram is 20  Ω.

What is resistance?

Resistance is a measure of the opposition to current flow in an electrical circuit.

To calculate the total resistance of the resistors in parallel, we use the formula below.

Note: Both resistors are connected in series.

Formula:

For series connection

R = R₁+R₂................ Equation 1

Where:

R = Total resistance of the resistor in the circuit.

From the diagram,

Given:

R₁ = 10 ΩR₂ = 10 Ω

Substitute these values into equation 1

R = 10+10R = 20 Ω

Hence, the total resistance is 20 Ω.

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Ssuming that the relationship between spring compression and height is quadratic, how far will the ball go at the highest setting, which compresses the spring 3 cm ?

Answers

The ball goes at the highest setting of 2.25cm, which compresses the spring by 3 cm.

What is spring?

Spring is an elastic object that holds mechanical energy. Typically, springs are fabricated from spring steel. Springtime has many different patterns. A conventional spring without stiffness variability features exerts an opposing force that is roughly proportional to its change in length when it is compressed or stretched from its resting state. The word is frequently used to describe coil springs in daily speech (this approximation breaks down for larger deflections). The rate also referred to as the spring constant, is the proportion of a spring's change in force to change in deflection. In other words, it is the force against the deflection curve's gradient.

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a proton is placed at point a. the proton is then removed and an electron is placed at point b. what is the direction of the electric force ? give angle relative to x with ccw as positive. what is the direction of the electric force ? what is true of the magnitude of the two forces?

Answers

When a proton is removed from point A and an electron is placed at point B, the direction of the electric force will be from point B towards point A. The angle of this force relative to the x-axis would be 180 degrees, with counterclockwise as positive.

As the electron and proton have equal and opposite charges, the magnitude of the force between them will be the same as the magnitude of the force between the proton and the electron.

The magnitude of the force between the proton and electron can be determined by Coulomb's law, which states that the force is proportional to the product of the charges and inversely proportional to the square of the distance between them.

In other words, the magnitude of the two forces is equal, but the direction of the two forces is opposite.

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if a bus travel 200 km in 45 minutes calculate the speed in kilometre per minute​

Answers

Answer:

multiply that and divided by 45

Answer:

4.444444444 km

Explanation:

200/45=4.444444444

The bus travels 4.444444444 kilometers in a minute

A student plans an investigation to determine whether an object has a positive charge, a negative charge, or is electrically neutral. Which statements describe procedures and the expected results that the student should follow?

A)
Bring a pith ball that has a negative charge near the object. If the ball is repelled, the object is electrically neutral.



B)
Bring a pith ball that has a positive charge near the object. If the ball is repelled, the object has a positive charge.



C)
Bring a pith ball that has a negative charge near the object. If the ball is attracted, the object has a positive charge.



D)
Bring a pith ball that has a positive charge near the object. If the ball is attracted, the object is electrically neutral.



E)
Bring a pith ball that has a negative charge near the object. If the ball is repelled, the object is electrically neutral.



F)
Bring a pith ball that has a positive charge near the object. If the ball is attracted, the object has a negative charge.

Answers

Answer:

Hope it helps

Explanation:

The number of electrons that surround the nucleus will determine whether or not an atom is electrically charged or electrically neutral. The amount of charge on a single proton is equal to the amount of charge possessed by a single electron. A proton and an electron have an equal amount but an opposite type of charge. Thus, if an atom contains equal numbers of protons and electrons, the atom is described as being electrically neutral. On the other hand, if an atom has an unequal number of protons and electrons, then the atom is electrically charged (and in fact, is then referred to as an ion rather than an atom). Any particle, whether an atom, molecule or ion, that contains less electrons than protons is said to be positively charged. Conversely, any particle that contains more electrons than protons is said to be negatively charged

To determine whether an object has a positive charge, a negative charge, or is electrically neutral .

The given object has a positive charge.

How to check the electrical charge on object ?

Positive charge attract negative and neutral body while repel positive charged body.Negative charge attract positive and neutral body while repel negative charged body.Neutral charge always get attracted by both positive as well as negative charged body.

So repulsion is the best way to determine the charge on the body.

Going through the option:

A) repelled by negative charge it means body is negative charge.B)  repelled by positive charge it means body is positive charge.C)  attracted by negative charge it means body is positive  or  electrically neutral.D)  attracted by positive charge it means body is negative  or  electrically neutral.E) repelled by negative  charge it means body is negative charge.F) attracted by positive charge it means body is negative or electrically neutral.

Therefore option B is the object is positive charge is confirmed.

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