what is meant by cathode rays?
what is radio activity and state three of it's effects?
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Explanation: First fix your units. acceleration is in m/s/s.

T-Mg=Ma

M=348.1+169.2 =517.3 kg

T= 517.3 (9.81+4.11)

I hope this helps

Answer:

Explanation:I don't say u must have to mark my ans as brainliest but if it has really helped u plz don't forget to thnk me...

Answer:

0.86s

Explanation:

How long it takes is the time required.

Time = distance /speed

Time =2.11/2.45=0.86s

The passage below was published by Montesquieu in 1748. They decided to separate the powers of government into three branches. Option D

This is further explained below.

Generally, Montesquieu was a French judge, a man of letters, historian, and political philosopher.

His full name was Charles Louis de Secondat, Baron de La Brède et de Montesquieu, although he is most often known by his nickname, Montesquieu.

He is the primary originator of the notion of the separation of powers, which is incorporated into the constitutional framework of numerous countries around the globe.

In conclusion, The following text was written by Montesquieu and first appeared in print in the year 1748. They came to the conclusion that the powers of the government should be divided into three distinct branches. The D Option

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cq

The passage below was published by Baron de Montesquieu in 1748. How did these ideas influence the Founding Fathers of the United States?

answer choices

They decided to establish a constitutional monarchy.

They decided to establish a representative form of government.

They decided to separate the powers of government into three branches.

They decided each branch of government should be able to check the other branches.

The magnitude and direction of the net electric force on each of the spheres is 1.92 x 10⁻⁵ N to the right.

The net electric force on the charges is calculated as follows;

F (net) = F (AB) + F (BC)

where;

The electric force between sphere A and B is calculated as follows;

F ( AB ) = kq₁q₂ / r²

where;

F (AB) = ( 9 x 10⁹ x 5.1 x 10⁻⁹ x 1.6 x 10⁻⁹ ) / ( 0.03² )

F (AB) = 8.16 x 10⁻⁵

since it is between two positive charges, it will be repulsive, hence F (AB) = - 8.16 x 10⁻⁵

The electric force between sphere B and C is calculated as follows;

F (BC) = ( 9 x 10⁹ x 2.8 x 10⁻⁹ x 1.6 x 10⁻⁹ ) / ( 0.02² )

F (BC) = 1.008 x 10⁻⁴ N

since the force is between opposite charges, it will attractive, so F (BC) is positive.

The net force on each sphere is calculated as;

F (net) =  -8.16 x 10⁻⁵ N +  1.008 x 10⁻⁴ N

F (net) = 1.92 x 10⁻⁵ N

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Answer:

In a material, the magnetic behavior depends on the alignment of magnetic moments of the atoms. Magnetic moments are generated by the motion of the electrons in the atoms. When the magnetic moments of atoms in a material are aligned in a specific pattern, it creates a magnetic field which results in the material being magnetic.

In many materials, the magnetic behavior arises due to the alignment of magnetic domains, which are regions of atoms with magnetic moments aligned in the same direction. When many domains with aligned magnetic moments are present in a material, the material becomes magnetic.

The magnetic behavior of a material depends on the number of electrons and the arrangement of those electrons in the atoms. In particular, for an atom to have a magnetic moment, it must have unpaired electrons, meaning electrons that are not paired with another electron with the opposite spin. When these unpaired electrons in the atoms are aligned, they generate a magnetic moment. If all electrons are paired, there will not be a net magnetic moment, so the material will not be magnetic.

So, in summary, the magnetic behavior of a material is determined by the alignment of magnetic moments of atoms. When the magnetic moments of many atoms in a material align in the same direction, it creates a magnetic field, leading to a material being magnetic. This alignment is usually present in magnetic domains consisting of atoms with unpaired electrons.

Answer:

5.2s

Explanation:

We care about the vertical component of the velocity, which, in our case, is \(v_y=55 sin 68\° m/s \approx 51 m/s\). The projectile is affected by gravity, which means its velocity will decrease by \(g= 9.81 m/s\) each second. Remembering that at maximum height velocity is zero, we can write \(0=51-9.81 t \rightarrow t= \frac{51}{9.81}\approx 5.2s\)

1) The force acting on the object during the time interval 0-3 seconds is 1/3 N.

2) The force acting on the object during the time interval 6-10 seconds is -0.5 N.

3) There is no time interval in which no force acts on the object.

(i) Force acting on the object in time interval 0-3 seconds. Force acting on the object is equal to the product of its mass and acceleration, i.e.,F = ma.

In the given velocity-time graph, the acceleration of the object can be determined by determining the slope of the velocity-time graph from 0 to 3 seconds.

Slope = (change in velocity) / (change in time)= (20-0) / (3-0) = 20/3 m/s^2

Acceleration, a = slope= 20/3 m/s^2

Mass of the object, m = 50 g = 0.05 kg

∴ Force acting on the object, F = ma= 0.05 × 20/3= 1/3 N.

Therefore, the force acting on the object during the time interval 0-3 seconds is 1/3 N.

(ii) Force acting on the object in time interval 6-10 seconds. Similar to the first question, the force acting on the object in time interval 6-10 seconds can be determined by determining the acceleration of the object during this time interval.

The slope of the velocity-time graph from 6 seconds to 10 seconds can be determined as follows:

Slope = (change in velocity) / (change in time)= (-20-20) / (10-6) = -40/4= -10 m/s^2 (negative sign indicates that the object is decelerating)

Mass of the object, m = 50 g = 0.05 kg

∴ Force acting on the object, F = ma= 0.05 × (-10)= -0.5 N.

Therefore, the force acting on the object during the time interval 6-10 seconds is -0.5 N.

(iii) Time interval in which no force acts on the object. There is no time interval in which no force acts on the object. This is because, as per Newton's first law of motion, an object will continue to remain in a state of rest or uniform motion along a straight line unless acted upon by an external unbalanced force.In other words, if the object is moving with a constant velocity, there must be a force acting on the object to maintain its motion.

Therefore, there is no time interval in which no force acts on the object.

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a) The flux is, Φ = 16.4 N·m²/C

b) If n is perpendicular to E then, Φ = 0

c) If parallel to E then, Φ = 62.8 N·m²/C

The flux through a surface is given by the equation:

Φ = E * A * cos(θ)

where E is the electric field strength, A is the area of the surface, and θ is the angle between the electric field and the surface normal.

a) If the normal vector to the surface is at 30 degrees to E, then the flux would be:

Φ = (2.0 x \(10^3\) N/C) * π*(0.10 m)² * cos(30°) = 16.4 N·m²/C

b) If n is perpendicular to E, then the angle between them is 90 degrees and cos(90°) = 0. Therefore, the flux would be zero.

Φ = (2.0 x \(10^3\) N/C) * π*(0.10 m)² * cos(90°) = 0

c) If n is parallel to E, then the angle between them is 0 degrees and cos(0°) = 1. Therefore, the flux would be:

Φ = (2.0 x \(10^3\) N/C) * π*(0.10 m)² * cos(0°) = 62.8 N·m²/C

Note that in this case, the flux is maximum because the electric field is perpendicular to the surface.

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Answer:

The correct difference between chronic and acute stress is:

Acute stress is short-term, while chronic stress endures over time.

Explanation:

Acute stress refers to the immediate and temporary response of the body to a specific stressful event or situation. It is often characterized by a rapid increase in heart rate, heightened alertness, and the release of stress hormones like adrenaline. Acute stress is a normal and natural response to perceived threats or challenges, and once the stressor is removed or resolved, the body returns to its normal state.

On the other hand, chronic stress is long-term and persists over an extended period. It is typically caused by ongoing or recurring stressors, such as work pressures, financial difficulties, relationship problems, or chronic health conditions. Chronic stress can have a cumulative and prolonged impact on physical and mental well-being. It may lead to a range of health issues, including cardiovascular problems, weakened immune system, digestive disorders, anxiety, depression, and burnout.

Chronic stress is considered detrimental to overall health, while acute stress, when experienced in moderation, can actually be beneficial as it can enhance performance and help individuals deal with immediate challenges. It is important to manage chronic stress effectively through stress-reducing techniques, self-care practices, and seeking support when needed to prevent its negative consequences on health and well-being.

gear C and Z will run at the same RPM

RPM is not a unit, according to the International System of Units (SI). The word "revolution" is a semantic annotation rather than a unit, which explains this. RPM formula sign must be f for (rotational) frequency and or for angular velocity due to the measured physical quantity. s−1  or Hz is the basic SI-derived unit that corresponds. The radians per the second unit are used to express angular speed.

As a result, a disc rotating at 60 RPM  is considered to be rotating at either 2 rad/s or 1 Hz, where the former refers to angular velocity and the latter to the rate of revolutions per second.

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The three places where fresh water can be found is ice sheets, water vapor, and rivers.

A fresh water is any type of naturally occurring liquid or frozen water containing low concentrations of dissolved salts and other total dissolved solids.

Fresh water can be found in the following locations;

Thus, the three places where fresh water can be found is ice sheets, water vapor, and rivers.

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The equivalent resistance of the circuit is approximately 60Ω.

According to the question

1. The resistors are connected in parallel.
2. The resistances of the resistors are: R1 = 120Ω, R2 = 300Ω, and R3 = 200Ω.
3. The voltage across the parallel connection is 12V.

To find the equivalent resistance (Req) of the parallel circuit, we can use the formula:

1/Req = 1/R1 + 1/R2 + 1/R3

Now, let's plug in the values of the resistances:

1/Req = 1/120Ω + 1/300Ω + 1/200Ω

To solve for Req, you can follow these steps:

Step 1: Calculate the reciprocals of the resistances:
1/120Ω ≈ 0.00833, 1/300Ω ≈ 0.00333, 1/200Ω ≈ 0.005

Step 2: Add the reciprocals:
0.00833 + 0.00333 + 0.005 = 0.01667

Step 3: Find the reciprocal of the sum:
Req = 1/0.01667 ≈ 60Ω
So, the equivalent resistance of the circuit is approximately 60Ω.

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Waves can travel through the air, granite rock, water, sandstone, and mudstone. Waves can also travel through molten magma, but only in certain conditions.

In physics, a wave is a disturbance that travels through space and time, usually accompanied by the transfer of energy. Waves can be characterized by their amplitude, wavelength, frequency, and speed.

Here,

Waves can travel through the air, granite rock, water, sandstone, and mudstone. Waves can also travel through molten magma, but only in certain conditions.

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1. Ethical subjectivism: Moral standards are based on personal opinions.

2. Adultery: It is morally wrong due to betrayal and emotional harm.

3. Consensual adultery: Still morally wrong due to breach of trust.

4. Enforcing adultery laws: The government should not regulate personal moral choices.

1. Ethical subjectivism is the opinion that moral standards do not exist objectively but instead based on the individual's personal opinions and attitudes. It argues that different people have different attitudes and beliefs about right and wrong. Individual moral relativism, on the other hand, holds that moral beliefs and values vary from individual to individual based on their individual culture, background, and life experiences. Cultural moral relativism, also known as cultural relativism, is the belief that moral standards are based on the norms and values of one's society or culture.The strengths of ethical subjectivism, individual moral relativism, and cultural moral relativism include the recognition of the individual's freedom to make their own moral decisions. However, the weaknesses of ethical subjectivism, individual moral relativism, and cultural moral relativism include the lack of agreement on moral standards, the promotion of moral relativism, and the possibility of justifying morally wrong actions.

2. Adultery is considered morally wrong as it violates the marriage covenant and causes emotional pain, betrayal, and mistrust between partners. Adultery destroys the trust between partners and brings about emotional distress to the victimized spouse, leading to a lack of confidence, respect, and commitment within the relationship.

3. Adultery is still morally wrong, even if two consenting adults agree to commit it. Just because it is consensual does not mean that it is right. This is because adultery violates the trust and promises that are made within the marital relationship, and it ultimately causes emotional pain, hurt, and brokenness.

4. Morally, the United States should not enforce adultery laws. This is because adultery is a private matter that should not be subject to public scrutiny and punishment. Adultery is a personal choice that should be left up to the individuals involved to sort out. It is not the government's job to enforce morality.

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Answer: Height of object = 29.13475

Hope this helps!

Answer: 29.12 Meters.

Explanation:

A 66.1-kg boy is surfing and catches a wave which gives him an initial speed of 1.60 m/s. He then drops through a height of 1.59 m, and ends with a speed of 8.51 m/s. The nonconservative work done on the boy is approximately -42.7 kilojoules.

To find the nonconservative work done on the boy, we need to consider the change in the boy's mechanical energy during the process. Mechanical energy is the sum of the boy's kinetic energy (KE) and gravitational potential energy (PE).

The initial mechanical energy of the boy is given by the sum of his kinetic energy and potential energy when he catches the wave:

E_initial = KE_initial + PE_initial

The final mechanical energy of the boy is given by the sum of his kinetic energy and potential energy after he drops through the height:

E_final = KE_final + PE_final

The nonconservative work done on the boy is equal to the change in mechanical energy:

Work_nonconservative = E_final - E_initial

Let's calculate each term:

KE_initial = (1/2) * m * v_initial^2

= (1/2) * 66.1 kg * (1.60 m/s)^2

PE_initial = m * g * h_initial

= 66.1 kg * 9.8 m/s^2 * 1.59 m

KE_final = (1/2) * m * v_final^2

= (1/2) * 66.1 kg * (8.51 m/s)^2

PE_final = m * g * h_final

= 66.1 kg * 9.8 m/s^2 * 0

Since the boy ends at ground level, the final potential energy is zero.

Substituting the values into the equation for nonconservative work:

Work_nonconservative = (KE_final + PE_final) - (KE_initial + PE_initial)

Simplifying:

Work_nonconservative = KE_final - KE_initial - PE_initial

Calculating the values:

KE_initial = (1/2) * 66.1 kg * (1.60 m/s)^2

PE_initial = 66.1 kg * 9.8 m/s^2 * 1.59 m

KE_final = (1/2) * 66.1 kg * (8.51 m/s)^2

Substituting the values:

Work_nonconservative = [(1/2) * 66.1 kg * (8.51 m/s)^2] - [(1/2) * 66.1 kg * (1.60 m/s)^2 - 66.1 kg * 9.8 m/s^2 * 1.59 m]

Calculating the result:

Work_nonconservative ≈ -42.7 kJ

Therefore, the nonconservative work done on the boy is approximately -42.7 kilojoules. The negative sign indicates that work is done on the boy, meaning that energy is transferred away from the boy during the process.

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Answer:

The answer to this question is plasma

Answer:

Plasma

Explanation:

First, let's calculate the forces in the 3 kg mass:

Then, the forces in the 2 kg mass:

From the first equation, let's solve it for T:

Using this value of T in the second equation, we have:

Finally, using the given values (with g = 10 m/s²), we have:

If the acceleration is 2 m/s², after 2 seconds the speed is:

Therefore the correct option is the second one.

A VfL (Vertical Field LED) backlighting system is commonly used in LCD (Liquid Crystal Display) televisions.

LCD TVs rely on a backlight to illuminate the liquid crystal layer, which controls the passage of light to create the visual image. The VfL technology is a specific type of LED backlighting arrangement used in certain LCD TV models. In a VfL backlighting system, the LEDs (Light-Emitting Diodes) are positioned vertically along the edges of the LCD panel.

The light emitted by these LEDs is directed across the panel using light guides or optical films, illuminating the liquid crystal layer uniformly. One advantage of VfL backlighting is its ability to provide consistent illumination across the LCD panel, reducing any potential inconsistencies in brightness or color uniformity. The vertical orientation of the LEDs allows for more precise control over light distribution, improving overall image quality.

Additionally, VfL backlighting offers potential advantages in terms of power efficiency. By selectively dimming or turning off specific zones of LEDs, local dimming techniques can be employed to enhance contrast and black levels, resulting in improved picture quality while conserving energy. It's important to note that VfL backlighting is just one of several backlighting technologies available for LCD TVs.

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Answer:

H' = H/4

Explanation:

By applying the law of conservation of energy to this problem, we know that:

Elastic Potential Energy Stored by Spring = Gravitational Potential Energy of ball

(1/2)kx² = mgH

H = (1/2)kx²/mg   -------------- equation (1)

where,

H = Height reached by the ball

x = compression of spring

k = stiffness of spring

m = mass of ball

g = acceleration due to gravity

Now, if we make the compression to half of its value:

x' = x/2

then:

H' = (1/2)k(x/2)²/mg

H' = (1/4)(1/2)kx²/mg

using equation (1), we get:

H' = H/4

The speeds of the object at the various positions are :

The formula to determine the velocity or speed is given below:

velocity or speed = √(2s * F/m)

where:

The speeds of the object at the various points are given below:

At x = A: force = 9 N; s = 6 m

speed = √(2 * 6 * 9 / 38)

speed = 2.06 m/s

At x = B; Force = 9 N; s = 12 m

speed = √(2 * 12 * 9 / 38)

speed = 2.38 m/s

At x = C; Force = 0 N; s = 18 m

speed = √(2 * 12 * 0 / 38)

speed = 0 m/s

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Answer:

Wavelength of the light = 3.09 meter

Explanation:

Given:

Distance between slits and the screen = 1.1 meter

Distance between slits = 0.1 mm

First-order bright fringe = 3.40 cm from centerline

Find:

Wavelength of the light

Computation:

Distance between slits = 0.1 mm

Distance between slits = 0.0001 meter

First-order bright fringe = 3.40 cm from centerline = 0.034 meter

Wavelength of the light = [(Distance between slits)(First-order bright fringe)]/Distance between slits and the screen

Wavelength of the light = [(0.0001)(0.034)] / 1.1

Wavelength of the light = [(0.0001)(0.034)] / 1.1

Wavelength of the light = 3.09 meter

The skater's final angular velocity is approximately 9.86 rad/s.

The skater's final angular velocity can be calculated using the principle of conservation of angular momentum. The equation for angular momentum is given by:

L = Iω

where L is the angular momentum, I is the moment of inertia, and ω is the angular velocity.

Initially, the skater has an angular momentum of:

L_initial = I_initial * ω_initial

Substituting the given values:

L_initial = 2.12 kg m² * 3.25 rad/s

The skater's final angular momentum remains the same, as angular momentum is conserved:

L_final = L_initial

The final moment of inertia is given as 0.699 kg m². Therefore, the final angular velocity can be calculated as:

L_final = I_final * ω_final

0.699 kg m² * ω_final = 2.12 kg m² * 3.25 rad/s

Solving for ω_final:

ω_final = (2.12 kg m² * 3.25 rad/s) / 0.699 kg m²

Hence, the skater's final angular velocity is approximately 9.86 rad/s.

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Answer:

Pretty sure its D.

radiation, chemotherapy, and bone marrow transplant

Explanation:

Radiation, chemotherapy, and bone marrow transplant are the typical treatment for Hodgkin's disease. Therefore, option (D) is correct.

Hodgkin lymphoma can be described as a type of lymphoma, in which cancer forms from a specific type of white blood cell known as lymphocytes, where multinucleated Reed-Sternberg cells are present in the lymph nodes.

The most common symptom of Hodgkin's lymphoma is the painless enlargement of lymph nodes. Hodgkin lymphoma can be treated with radiation therapy, chemotherapy, and stem cell transplantation. The treatment generally depends on how advanced cancer has favorable features.

Radiation and chemotherapy drugs increase the risk of other cancers, lung disease, or heart disease over the subsequent decades.

Hodgkin lymphoma can be distinguished from non-cancerous causes of lymph node swelling and from other cancer. Definitive diagnosis is by lymph node biopsy. Blood tests are performed to assess the function of major organs and safety for chemotherapy.

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Answer:

9.21 m

Explanation:

because this is the answer

Vehicle driving round a curve

(A)

Explanation:

The number of atoms for each element on the left side must equal that on the right side. Only (A) satisfies that condition. The other other choices have mismatching number of atoms on either side.