Angle axc is 180°. if angle axb is 132º, what is the measure of angle bxc?

Answer:

Cho hai quả cầu nhỏ trung hòa điện đặt trong không khí, cách nhau 40cm và sử có bốn nhân 10 mũ 12 electron tư quả cầu này di chuyển sang qua câu kia hỏi khi đó hai quả cầu Vũ thấy đầy nhau tỉnh đô lớn của lực đó

Answer:

Abyssal fans, also known as deep-sea fans, underwater deltas, and submarine fans, are underwater geological structures associated with large-scale sediment deposition and formed by turbidity currents

Explanation:

They are underwater deltas and submarine fans, they are associated with large scale sediment, and formed by turbidity currents.

Answer:

yes it's a matter of probability

Answer:

Absolutely!

Explanation:

Its almost impossible that we are the only goldilocks planet when there are billions of stars, each of them being suns with planets. Some other planet somewhere must be able to support life, don't you think?

Answer:

0.038m²

Write 0.038 as they want a numerical answer.

Explanation:

Pressure = Force / Area

making area the subject of the formula we get

Area = Force / pressure

Force = mg

= 45 X 10

= 450N

Area = 450/12000

= 0.0375 m²

when we round off we get 0.038m²

To solve this problem, we need to use the concepts of velocity, overhead, and reference.
First, we know that the UFO is moving at a constant velocity, which means its speed and direction are not changing.
Second, the term "overhead" refers to the fact that the UFO is passing directly above the astronaut on the moon. This gives us a reference point for the UFO's location.
Finally, we need to consider the reference frame of the UFO. This means that we need to think about how time and distance are perceived from the perspective of the UFO.
Using the given information, we can calculate the time it takes for the UFO to travel from the earth to the moon in the UFO's reference frame.
From the astronaut's perspective on the moon, the UFO takes 2.6 seconds to pass overhead. This means that the distance the UFO traveled in that time is:
distance = velocity x time

We don't know the velocity of the UFO from the astronaut's perspective, but we can calculate it using the distance between the earth and the moon.
distance = 3.8 x 10^8 m
The time it takes for the UFO to travel from the earth to the moon in the UFO's reference frame is:
time = distance / velocity

To find the velocity of the UFO in the UFO's reference frame, we need to use the principle of time dilation. This means that time appears to slow down for objects that are moving relative to each other. The formula for time dilation is:
t' = t / √(1 - v^2/c^2)
where t is the time in the astronaut's reference frame, t' is the time in the UFO's reference frame, v is the velocity of the UFO, and c is the speed of light.
We know that t = 2.6 seconds and c = 3 x 10^8 m/s. Plugging in these values and solving for v, we get:
v = 0.866 c
Now we can use this velocity to calculate the time it takes for the UFO to travel from the earth to the moon in the UFO's reference frame:
time = distance / velocity
time = 3.8 x 10^8 m / (0.866 c)
time = 13.8 seconds
Therefore, from the UFO's reference frame, it takes 13.8 seconds to travel from the earth to the moon.

 In order to answer your question, we'll need to use the given terms: "velocity", "overhead", and "reference". Since the UFO is moving at a constant velocity and is observed passing overhead on the moon 2.6 seconds later, we can assume that the astronaut and the UFO are in the same inertial reference frame.
To find the time it takes for the UFO to travel from Earth to the moon in the UFO's reference frame, we can use the formula: time = distance/velocity. We're given the distance as 3.8 x 10^8 meters, but we don't have the velocity. Unfortunately, without the velocity, we cannot determine the exact time it took for the UFO to travel from the Earth to the moon in its reference frame.

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Answer:

Upward direction.

The friction is kinetic friction

Some of the most important elements in the internal environment of an organization are the organizational structure, the organizational culture, and the leadership style.

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The mass of the given will be 20kg.

By using formula,

force = mass x acceleration

mass = force / acceleration

mass = 400 N / 20m/s²

mass = 20 Kg

Acceleration is the rate at which an object's velocity with respect to time changes. They are vector quantities, accelerations. The direction of the net force acting on an object determines the direction of its acceleration.

Any process where the velocity changes is referred to as acceleration. There are only two ways to accelerate: changing your speed or changing your direction, or changing both. This is because the velocity is both a speed and a direction.

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In addition to a proper air void system and strength level, a concrete mixture must contain durable aggregates in order to perform adequately in a freeze-thaw service environment. The correct option is (c) .

Aggregates are the primary component in concrete and provide bulk and strength to the mixture. The durability of aggregates is critical in freeze-thaw environments, as the expansion and contraction caused by the freeze-thaw cycle can cause the aggregates to crack or break down, leading to deterioration of the concrete. Therefore, it is important to use high-quality and durable aggregates in concrete mixtures designed for freeze-thaw service environments.Aggregates are an essential component of concrete and play a crucial role in its performance. Durable aggregates help enhance the resistance of concrete to the damaging effects of freeze-thaw cycles, ensuring its durability and longevity in such environments.Therefore option C is correct.

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Answer:

Liquid

Explanation:

Water...

- below 0 degrees Celsius is a solid.

- above 0 degrees Celsius is a liquid.

- above 100 degrees Celsius is a gas.

The electric potential along the x-axis is V =150x2V, where x is in meters the electric field Ex at x = 0m is 0 V/m, and at x = 2m, it is -600 V/m upto three significant figures.

A) To find the electric field Ex at x = 0m, we will first differentiate the electric potential V with respect to x. Given V = 150x^2 V, the derivative is:

dV/dx = 300x V/m

Now, the electric field Ex is the negative of the derivative of the electric potential:

Ex = -dV/dx

At x = 0m, we have:

Ex = -300(0) V/m
Ex = 0 V/m

So, the electric field Ex at x = 0m is 0 V/m.

B) To find the electric field Ex at x = 2m, we can use the same formula:

Ex = -dV/dx

At x = 2m, we have:

Ex = -300(2) V/m
Ex = -600 V/m

Expressing Ex to three significant figures, we get -600 V/m.

To summarize, the electric field Ex at x = 0m is 0 V/m, and at x = 2m, it is -600 V/m.

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Science is best described as an empirical and evidence-based enterprise.

Science is best described as an empirical and systematic enterprise driven by curiosity and the desire to understand the natural world. It is a relentless pursuit of knowledge through observation, experimentation, and rigorous analysis of data. Scientists employ logical reasoning, critical thinking, and the scientific method to formulate hypotheses, conduct experiments, and draw evidence-based conclusions.

This collaborative and self-correcting endeavor spans various disciplines, including physics, chemistry, biology, and beyond. Science transcends borders, cultures, and time, continually advancing our understanding of the universe. It is an ever-evolving process, challenging existing beliefs, and paving the way for innovation, technological advancements, and the betterment of society as a whole.

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Answer:

B

Explanation:

The object with the most thermal energy is the choice B. This is because from the given choices, it has the most mass and highest temperature of all the bricks.

Thermal energy is the sum total of the average kinetic energy within the system.

It is mathematically expressed as:

    Quantity of energy  = mass   x  specific heat x  change in temperature

We see that the quantity of the thermal energy is directly proportional to mass and temperature changes.

Answer:

B. a 4 kg brick at 25 degrees Celsius

Explanation:

did the quiz <3

Inside a ship, the air is significantly less dense than the ocean. That keeps it afloat, actually! ... When a ship is lowered into water, the amount of water it pushes down and moves is equal to its weight.

Answer:A 2.2kg block of ice slides across a rough floor. Its initial velocity is 2.5m/s and its final velocity is 0.50m/s. How much of the ice block melted as a result of the work done by friction? (Latent Heat of water is 3.3*10^5J/kg)

Explanation:

The heat produced by friction between a skate and the ice during movement over the surface melts the topmost layer of ice. However, even when you are still, ice is still slick. When you remain still on ice, there is no friction to produce heat, but the ice is still slippery.

Although friction does generate heat, the amount of heat it produces is insufficient to melt ice that is at a very low temperature. But even at low temperatures, ice still creates a slick liquid layer. The formation of a slippery coating even when the item is totally still cannot be explained by frictional heating.

Therefore, A rough floor is traversed by a 2.2 kg lump of ice. It moves at a final speed of 0.50 m/s after starting out at 2.5 m/s. What portion of the ice block melted as a result of the friction's work? (Water has a latent heat of 3.3×105 J/kg.)

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This is due to the fact that the first and second laws of thermodynamics are universally applicable fundamental principles that can be utilised to examine particular systems and processes.

The part of thermodynamics that deals with chemical reactions is called chemical thermodynamics. The first law states that energy is conserved and cannot be created or destroyed. Second law: When natural processes in a closed system result in a rise in entropy, they are spontaneous.

According to the second rule of thermodynamics, an isolated system that is out of equilibrium over time must increase in entropy until it reaches the ultimate equilibrium value.

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The correct answer is b. cirque. A cirque is a bowl-shaped depression formed by a mountain glacier. A bowl-shaped depression formed by a mountain glacier.

A glacier is a persistent body of dense ice constantly moving under its own weight. A glacier forms when snow accumulation exceeds its ablation over many years, often centuries.

It acquires distinguishing features, such as crevasses and seracs, as it slowly flows and deforms under stresses induced by its weight. As it moves, it abrades rock and debris from its substrate to create landforms such as cirques, moraines, or fjords, A bowl-shaped depressions formed by a mountain glacier.

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Conversion of electromagnetic (EM) energy from the sun into other forms of energy occurs for the following options:

a. Biofuels

c. Solar thermal power

e. Wind power (EM to air movements)

A- Biofuels: During photosynthesis, plants capture electromagnetic energy from the sun and convert it into chemical energy, stored in the bonds of organic molecules, such as glucose. This process allows for the conversion of EM energy to chemical energy in the form of biofuels.

c. Solar thermal power: Solar thermal power plants use mirrors or lenses to concentrate sunlight, which is then converted into heat energy. This thermal energy can be used to generate steam, which drives a turbine and produces mechanical energy.

e. Wind power: Wind turbines harness the kinetic energy of moving air, which is ultimately driven by the sun's uneven heating of the Earth's surface. The sun's energy heats the atmosphere, creating temperature and pressure gradients that result in wind currents.

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The electric flux through the given planar surface is 10.56675 Nm²/C.

Given data:

Planar surface area, A = 0.03 m²

Electric field strength, E = 704.5 N/C

Normal to surface, n = 60 degrees (the normal is oriented as shown)

The electric flux through the planar surface can be calculated using the formula,φ = E . A . cosθ

Where, E is the electric field strength

A is the area of the surface

θ is the angle between the normal to the surface

and the electric field vector Plugging in the given values,

                   φ = (704.5 N/C) x (0.03 m²) x cos 60°

                         = (704.5 N/C) x (0.03 m²) x 0.5

                          = 10.56675 Nm²/C

The electric flux through the given planar surface is 10.56675 Nm²/C.

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Answer:

Drag increases with the density of the fluid (ρ). More density means more mass, which means more inertia, which means more resistance to getting out of the way. The two quantities are directly proportional.

Answer:

watch mark robers videos videos on yt

Explanation:

Answer:

There will be a force of gravity and a normal force coming from the track itself.

Explanation:

Assuming this is a continuation of an earlier question [20398149], the crate starts at rest and is allowed to slide down the ramp with acceleration a = 2.35 m/s², so the block will have some speed as it reaches the bottom of the ramp and it will continue to slide some distance along the flat part.

If the flat part is made of the same material as the ramp, then in addition to its own weight and the normal force, the crate will also feel some friction that slows down its leftward slide.

• The crate's weight and the normal force act vertically, so that

∑ F = n - w = 0

n = w = mg = (100 kg) (9.8 m/s²) = 980 N

(where ∑ F = net force, n = magnitude of normal force, w = crate weight, m = crate mass, g = mag. of gravitational acceleration)

• The friction acts horizontally, so

∑ F = -f = m a

(where f = mag. of friction and a = crate acceleration)

The surface has a coefficient of kinetic friction of µ = 0.3, so

f = µ n = 0.3 (980 N) = 294 N

So at the bottom of the ramp, there are 3 forces exerted on the crate:

• its weight of 980 N pointing downward

• the normal force of the surface pushing upward on the crate, also of 980 N

• friction of 294 N, pointing to the right

and the two vertical forces cancel each other.

Answer:

In a longitudinal wave, the crest and trough of a transverse wave correspond respectively to the compression, and the rarefaction.

Explanation:

Answer:

particles or arranged will be the answer depending on the previous line.

Answer:

Solids are crystalline , usually in a regular repeating pattern.

A one-time pad is a type of encryption that is completely unbreakable if it is done correctly. It works by generating a random key that is at least as long as the message being encrypted. The key is then combined with the message using an XOR operation.

This produces a ciphertext that cannot be decrypted without the key. The key is used only once and then discarded, hence the name "one-time pad". A one-time pad is completely unbreakable because there is no pattern to the key that can be used to decrypt the message. Each character in the key is generated randomly and independently of the other characters. Therefore, the key is completely unpredictable. Even if an attacker knows the key length and has access to the ciphertext, they cannot use any techniques to decrypt it.

This is because there is no pattern to the ciphertext that can be used to determine the key.The only way to decrypt a one-time pad is to have the key. If an attacker tries to brute-force the encryption by trying all possible keys, they will generate every possible message that is the same length as the original message. This means that the ciphertext is completely meaningless without the key. It is therefore important to keep the key secret and ensure that it is only used once. ,Message: yellow stone Key: wolf To encrypt the given message using the vigenere cipher, we follow the steps below:Step 1: Write the message and key in a tabular form as shown below. To keep the process organized, we use the letters of the key to label the columns.

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Thrust, Lift, Drag, and Weight are four opposing forces that affect every vehicle, whether it's a car, truck, boat, airplane, helicopter, or rocket.

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The value of resistor R that gives the circuit in the figure a time constant of 22 μs is 220 Ω.

The circuit that is in the figure is shown below:Given that time constant (RC) = 22 μs. To find the value of resistor R, we need to use the formula for the time constant:

RC = τ, where R is the resistance and C is the capacitance of the circuit.

Rearranging the above formula, we get:R = τ / C

Where τ is the time constant and C is the capacitance of the circuit.

From the figure, the capacitance is given as 0.1 μF

.Substituting the values of τ and C in the above formula, we get:

R = (22 × 10⁻⁶ s) / (0.1 × 10⁻⁶ F)

R = 220 Ω

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Therefore for cart to stay here on track when it arrives at point P, the net force applied to it must be greater or equal than for the heaviness of the cart.

The force is an impact that has the power to alter an object's motion. A mass-containing object's velocity can be altered by a force. An obvious way to describe force is as a pushed or a pull. A vector quantity is called a force since it has both strength and the direction.

The strongest force in existence is thought to be the strong force. The gravitation, weak, and electromagnetism forces come after it in lowest to highest.

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