True or false: Scientific study can always be categorized as belonging to only one of the three major categories of sciences.

True false question.

\(\\ \sf\longmapsto Speed=\dfrac{Distance}{Time}\)

\(\\ \sf\longmapsto Speed=\dfrac{400}{52}\)

\(\\ \sf\longmapsto Speed=7.5m/s\)

Explanation:

v²= u² + 2as

v= final velocity.

u= initial velocity.

a= acceleration.

s= distance.

The rocket will take approximately 3.23 seconds to reach its maximum height or fall back to the ground.

To determine the time it will take for the rocket to reach its maximum height or fall back to the ground, we need to consider the motion of the rocket under the influence of gravity.

Initial vertical velocity of the rocket (v₀) = 104 feet per second

In the absence of air resistance, the rocket's motion can be described using the kinematic equation:

h = v₀t + (1/2)gt²

h is the height (displacement),

v₀ is the initial velocity,

t is the time, and

g is the acceleration due to gravity (approximately 32.2 feet per second²).

At the maximum height, the rocket will momentarily come to rest before falling back to the ground. This means its final vertical velocity (v) will be zero.

Using this information, we can set v = 0 and solve for t:

0 = v₀ - gt

gt = v₀

t = v₀ / g

Substituting the given values:

t = 104 feet per second / 32.2 feet per second²

t ≈ 3.23 seconds

Therefore, it will take approximately 3.23 seconds for the rocket to reach its maximum height or fall back to the ground.

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Answer:

ENQUIRE is the answer

Explanation: google....internet browser-.. .-.

Enquire was a software project written in 1980 by Tim Berners-Lee at CERN, which was the predecessor to the World Wide Web

Answer:

I dont know what you mena by road and the people

Answer:  Radio waves, Microwaves infrared, optical ultraviolet, X-rays and gamma-rays

Answer:

\(E = 2.9775\times10^5 J\)

Explanation:

Given:  The latent heat of fusion for Aluminum is \(L = 3.97\times10^5 J/Kg\)

mass to be malted m = 0.75 Kg

Energy require to melt E = mL

\(E = 3.97\times10^5\times0.75 = 2.9775\times10^5 J\)

Therefore, energy required to melt 0.75 Kg aluminum

\(E = 2.9775\times10^5 J\)

Answer:

Alexander Fleming

Explanation:

the founder of pelincilin is Alexander Fleming

Answer:

A

Explanation:

The plate collisions that occur in these areas can produce earthquakes, volcanic activity, and crustal deformation.

hope it helps you

Newton's second law and kinematics allow to find the result for the velocity at the point of reaching the child's net is:

           v = 23.7 m / s

Newton's second law states that the net force is proportional to the mass and acceleration of the body.

              ∑ F = m a

Where F is the force, m the mass and the acceleration of the body.

In the attachment we can see a free body diagram of the system, where the positive direction is up.

              F -W = m a

Weight is

             W = m g

             \(a = \frac{F}{m} - g\)  

Let's calculate

             \(a= \frac{30}{70} - 9.8\)  

             a = -9.37 m / s²

Negative indicates downward direction.

Kinematics studies the movement of the body, let's look for speed.

           v² = v₀² - 2 a (y-y₀)

Where v is the speed, v₀ is the initial speed, a tha acceleration ang (y-y₀) is the eight.

As the child is released, his initial velocity is zero, upon reaching the floor his height is zero and his initial height is I = 30 m.

           \(v= \sqrt{2 a y_o}\)

Let's calculate

           v = \(\sqrt{2 \ 9.37 \ 30}\)  

          v = 23.7 m / s

In conclusion using Newton's second law and kinematics we can find the velocity at the point where the child reaches the net is:

           v = 23.7 m / s

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The velocity of the child before hitting the ground is 22.596 m/s.

The given parameters;

The weight of the child acting downwards is calculated as follows;

W = mg

W = 70 x 9.8

W = 686 N

The net force on the child is calculated as follows;

∑Fₙ = 686 N - 90 N

∑Fₙ = 596 N

The acceleration of the child is calculated as follows;

F = ma

\(a = \frac{F}{m} \\\\a = \frac{596}{70} \\\\a = 8.51 \ m/s^2\)

The velocity of the child before hitting the ground is calculated as;

v² = u² + 2as

v² = 0 + (2 x 8.51 x 30)

v² = 510.6

v = √510.6

v = 22.596 m/s

Thus, the velocity of the child before hitting the ground is 22.596 m/s.

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Answer:

D

Explanation:

San Andreas Fault--Normal Fault is associated correctly.

This is option 1.

San Andreas Fault is a right-lateral strike-slip fault that runs approximately 800 miles (1,300 km) through California in the western United States. It forms the boundary between the Pacific Plate and the North American Plate, extending from the San Francisco Bay Area to the Salton Sea near the Mexico–United States border. It is one of the most significant geological features on the planet, and it is also one of the most active, with frequent earthquakes of varying sizes being reported in the region.

A normal fault is a type of fault that occurs when the rocks in the Earth's crust are pulled apart by tension. A normal fault occurs when the block of rock above the fault line falls downwards relative to the block of rock below the fault line, which is raised upwards.

So, the correct answer is option 1

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Answer:

The answer is . A 46.2g

Answer:

The weight and the mass of an object are related because the weight of an object is a measure of the force exerted on the object by gravity, or the force needed to support it. w=mg

One example of how humans impact global warming is G. heat emitted from factories, automobiles, and buildings increases the average global temperature.

These activities release greenhouse gases such as carbon dioxide, methane and nitrous oxide that trap heat in the atmosphere and cause the greenhouse effect. The result of the greenhouse effect is that the planet is warming at an alarming rate, which has led to a change in global weather patterns, rising sea levels, melting glaciers and ice caps, and increasing ocean acidification. This is due to the fact that burning fossil fuels, such as coal, oil, and natural gas, releases large amounts of carbon dioxide into the atmosphere.

Additionally, the manufacturing and use of products, including cars and buildings, can emit significant amounts of carbon dioxide and other greenhouse gases, this contributes to the overall greenhouse effect and global warming. By reducing carbon emissions through the use of clean and renewable energy sources, such as wind and solar power, and reducing the use of fossil fuels, humans can help to mitigate the impacts of global warming and slow the pace of climate change. So therefore the correct answer G. heat emitted from factories, automobiles, and buildings increases the average global temperature, is one example of how humans impact global warming.

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Without calibration, the data would no longer be accurate since it would deviate from real values. Therefore, calibration is occasionally required.

It converts an applied mechanical force—such as load, weight, tension, compression, or pressure—into another physical variable—in this case, an electrical output signal—that can be measured, converted, and standardized. The electrical signal changes in direct proportion to the force acting on the sensor.

A load cell or weight sensor is often referred to as a force sensor. They are employed to gauge load, strain, and compression. A lot of them contain internal strain gauges that are attached to the metal structure and respond even to the smallest compression changing the resistance and reporting on the outcomes.

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Answer:

Pretty sure magnetic waves thank me later bro bro

1. Heat = 3 kg x 900 J/kg°C x (95°C - 40°C) = 27000 J.

2. Change in Temperature = 780 J / (4.1 kg x 385 J/kg°C) = 2.02°C.

3. Specific Heat Capacity = 15686 J / (1.1 kg x (47°C - 16°C)) = 1479.2 J/kg°C.

4. Heat = 0.778 kg x 4186 J/kg°C x (94°C - 26°C) = 200508 J.

5. Sample 3 has the highest specific heat capacity because it has the    greatest temperature change for the same amount of heat applied.

Energy is the ability to do work, or the capacity to produce an effect. It can be classified into two main forms — kinetic energy, which is the energy of motion, and potential energy, which is stored energy due to an object's position or state.

1: The amount of heat needed to raise the temperature of a 3 kg sample of aluminium from 40°C to 95°C is 27000 J.

This can be calculated by using the formula: Heat = Mass x Specific Heat Capacity x Change in Temperature.

Therefore, Heat = 3 kg x 900 J/kg°C x (95°C - 40°C) = 27000 J.

2: The temperature change of a 4.1 kg sample of copper when 780 J of energy is applied is 2.02°C.

This can be calculated by using the formula: Change in Temperature = Heat / (Mass x Specific Heat Capacity).

Therefore, Change in Temperature = 780 J / (4.1 kg x 385 J/kg°C) = 2.02°C.

3: The specific heat capacity of iron is 1479.2 J/kg°C.

This can be calculated by using the formula: Specific Heat Capacity = Heat / (Mass x Change in Temperature).

Therefore, Specific Heat Capacity = 15686 J / (1.1 kg x (47°C - 16°C)) = 1479.2 J/kg°C.

4: The amount of heat removed to lower the temperature of a 0.778 kg sample of water from 94°C to 26°C is 200508 J.

This can be calculated by using the formula: Heat = Mass x Specific Heat Capacity x Change in Temperature.

Therefore, Heat = 0.778 kg x 4186 J/kg°C x (94°C - 26°C) = 200508 J.

5: Sample 3 has the highest specific heat capacity because it has the greatest temperature change for the same amount of heat applied. This means that Sample 3 requires more energy to increase its temperature than Samples 1 and 2, thus indicating that it has the highest specific heat capacity.

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Answer:Electricity works by getting a bunch of conductor elements together and creating a flow of electron-stealing patterns through them. This flow is called a current. ... Once you can control the direction the electrons are going, you can use them to power or charge anything from a light bulb to your TV to your electric car.

Explanation:trust

Particle accelerators use electromagnetic fields to accelerate particles by exerting a force on them.

The magnetic field alone cannot increase a particle's velocity, but when combined with an electric field, it can

accelerate charged particles. This is because the magnetic field causes the particles to move in a circular path, while

the electric field provides the necessary energy to increase the speed of the particles as they move along this path.

Therefore, the electromagnetic field works by combining the effects of both the electric and magnetic fields to

accelerate particles in a controlled manner.

Particle accelerators work by utilizing both electric and magnetic fields to increase the energy of charged particles.

While it's true that magnetic fields alone cannot increase the velocity of a particle, they play an essential role in

controlling the particle's trajectory. On the other hand, electric fields are responsible for increasing the velocity of

charged particles.

Here's a step-by-step explanation of how particle accelerators work using electromagnetic fields:

1. Charged particles are introduced into the accelerator.

2. Electric fields provide the necessary force to accelerate the particles, increasing their velocity.

3. Magnetic fields guide and steer the particles along the desired path or into circular orbits.

4. As particles move through alternating electric fields, they continue to gain energy and increase their velocity.

5. When particles reach the desired energy level, they can be directed toward a target or collision point for experiments.

In summary, particle accelerators use electromagnetic fields to control and increase the velocity of charged particles. Electric fields accelerate the particles, while magnetic fields guide their trajectory.

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Explanation:

Particle moving in a circular path with a constant speed.

The acceleration of the bus is 1.1 m/s²

Acceleration is defined as the change in the velocity of an object with time.

Change in velocity of the bus = 60 - 80

Change in velocity of the bus  = -20 km/h = -5.5 m/s

Time = 5 seconds

Acceleration = -5.5/5

Acceleration = 1.1 m/s²

In conclusion, acceleration is the rate of change of velocity with time.

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Answer:

it looks like light hits ballon and the bollon pops maby pop prosos

Answer:

Like when you go down a slide at a playground or sled on a snowy hill

Answer:

Explanation:

The momentum of an object can be found by using the formula

From the question

mass = 15 kg

velocity = 3 m/s

We have

mass = 15 × 3

We have the final answer as

Hope this helps you

Answer:

45 kg • m/s

Explanation:

The force between the two point charges is 1.08 × 10⁻⁶ N, attractive in nature.

The formula for calculating the force between two point charges is F = k * q₁ * q₂ / r², where F is the force, k is Coulomb's constant (9.0 x 10^9 Nm²/C²), q₁ and q₂ are the charges of the two point charges, and r is the distance between them.

To calculate the force between the two point charges, we can use Coulomb's law:

F = k * q1 * q2 / r^2

where k is Coulomb's constant (9.0 × 10⁹ Nm²/C²), q1 and q2 are the charges of the two point charges (-2.0 nC and +4.0 nC, respectively), and r is the distance between the charges (0.03 m).

Plugging in the values, we get:

F = (9.0 × 10⁹ Nm²/C²) * (-2.0 × 10⁻⁹ C) * (4.0 × 10⁻⁹ C) / (0.03 m)²

F = -1.08 × 10⁻⁶ N

The negative sign indicates that the force is attractive (since one of the charges is negative), and the magnitude of the force is 1.08 × 10⁻⁶ N.

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Frequency and wavelength are inversely proportional to each other. The wave with the greatest frequency has the shortest wavelength. Twice the frequency means one-half the wavelength. For this reason, the wavelength ratio is the inverse of the frequency ratio.

2A  is the current (in amps) through the hole

Define electric current

An electric current is the movement of charged particles through a conductor or a vacuum, such as electrons or ions. It is referred to be the overall pace at which electric charge moves through a surface.

Electric current describes both how much electricity is going through a circuit and how it is flowing in an electronic circuit. It is expressed in amps (A). More electricity is flowing in the circuit when the amperage value is higher.

Charge, also known as electric charge, electrical charge, or electrostatic charge, is a property of a unit of matter that expresses how many more or fewer electrons than protons it possesses. It is denoted by the sign q.

I ⇒ dQ/dt

Q⇒12C

t ⇒ 6sec

I ⇒ 12/6 ⇒2A

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The current flowing through the hole is 2 amps. It's important to note that electric current is the rate of flow of charge, so the amount of charge passing through a point in a circuit per unit of time determines the current.

The flow of electric charge through a circuit is known as electric current. The standard unit for measuring an electric current is the ampere (A), which is defined as the flow of one coulomb of charge per second. In this problem, we are given that a collection of molecules with a charge of 12 coulombs passes through a hole in 6 seconds.

To calculate the current (in amps) through the hole, we need to use the formula:

Current = Charge / Time

In this case, the charge is 12 coulombs and the time is 6 seconds, so we can plug in the values:

Current = 12 coulombs / 6 seconds = 2 amps

This calculation demonstrates how the amount of charge and time taken for that charge to pass through a point in a circuit can be used to calculate the current.

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Explanation:

what is the difference between cytology and histology

Histology involves the study of tissue and Cytology involves the study of cells, both of which are derived from various organs of the human body. The Histology laboratory is responsible for the preparation of tissue for diagnosis by Pathologists.