PLEASE HELP QUICKLY 50 POINTS
Fracturing can emit ______waves through the ground.

Answer:

550 m/s

Explanation:

Speed of wave = wl * f      wl = 1,25 m    f = 440 Hz  (given)

                          1.25 m * 440 = 550 m/s

Answer:

The average speed for the whole journey is 44.\(\overline 4\) kilometers per hour

Explanation:

The average speed with which the car travels the distance, v₁ = 50 kilometer per hour

The average speed with which the car returns, v₂ = 40 kilometer per hour

Average speed, v = (Total distance, d)/(Total time, t)

Let 'd' represent the distance travelled, we have;

The time it takes the car to travel to the distance = d/50 hours

The time it takes the car to return = d/40 hours

The total time = (d/50 hours + d/40 hours) = d·(40 + 50)/(40 × 50) hours= 9·d/200 hours

The total distance = d kilometers+ d kilometers = 2·d kilometers

The average speed for the whole journey, v = 2·d kilometers/(9·d/200 hours) = 400/9 kilometers per hours = 44.\(\overline 4\) kilometer/hour.

The average kinetic energy of an object can be calculated using the formula:

Average Kinetic Energy = (1/2) * mass * velocity^2

In this case, the given information includes the mass of the toy car and the distance it travels in a given time period. However, the velocity of the toy car is not directly provided. To calculate the velocity, we can use the formula:

velocity = distance / time

Plugging the values into the formula:

velocity = 6m / 2s = 3 m/s

Now we have the velocity, we can calculate the average kinetic energy:

Average Kinetic Energy = (1/2) * mass * velocity^2

Since the mass of the toy car is not specified in the question, it is not possible to provide a numerical value for the average kinetic energy without that information.

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The  converging lens with the object placed beyond the focal point of the lens will create an image larger than the object. This is because the converging lens bends the light rays towards each other, causing them to converge at a point beyond the focal point, which results in a magnified image.

To explain further, when light rays pass through a converging lens, they converge at a point called the focal point. If the object is placed at the focal point, the light rays will converge to a single point, but no image will be formed. However, if the object is placed beyond the focal point, the light rays will converge and form a real image that is larger than the object.

On the other hand, a diverging lens spreads out the light rays, causing them to diverge away from each other. Therefore, neither of the arrangements that involve a diverging lens will create an image larger than the object.

In summary, a converging lens with the object placed beyond the focal point is the arrangement that will create an image larger than the object.

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We have that for the Question "Name the two types of vaporization and explain the difference between them. Give one example of each. ​" it can be said that the types of vaporization are

Here privatization of liquid will only happen at the surface of the liquid exclusion then other sections of the liquid

This is is a phenomenon that occurs throughout the liquid

From the question we are told

Name the two types of vaporization and explain the difference between them. Give one example of each. ​

Generally

There are two types of vaporization , and they are

Here privatization of liquid will only happen at the surface of the liquid exclusion then other sections of the liquid

This is is a phenomenon that occurs throughout the liquid

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The object with the most sliding friction on a sloping surface is a rubber block.

When considering the objects with equal masses and the same slope material, the rubber block exhibits the highest amount of sliding friction. Sliding friction occurs when two surfaces slide against each other, and it opposes the motion of the object.

Rubber has a high coefficient of friction, which means it creates more resistance to sliding compared to other materials like wood or metal. This is due to the molecular structure of rubber, which allows it to grip the sloping surface more effectively, resulting in greater friction.

As a result, when placed on the same sloping surface, the rubber block will experience the highest kinetic friction among the objects.

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Answer: 1.24

Explanation:

Given

Volume becomes half and pressure increases by a factor of 2.5

In adiabatic process \(PV^{\gamma}=\text{constant}\ \text{or}\ TV^{\gamma}=\text{constant}\)

Finding out \(\gamma\) first

\(\Rightarrow PV^{\gamma}=2.5P(0.5V)^{\gamma}\\\\\Rightarrow \left(\dfrac{V}{0.5V}\right)^{\gamma}=2.5\\\\\Rightarrow 2^{\gamma}=2.5\\\\\text{Taking log both side}\\\\\Rightarrow \gamma=\dfrac{\ln (2.5)}{\ln (2)}\\\\\Rightarrow \gamma=1.32\)

Applying same principle for Temperature

\(\Rightarrow TV^{1.32-1}=T'(0.5V)^{1.32-1}\\\\\Rightarrow T'=(2)^{0.32}T\\\\\Rightarrow T'=1.24T\)

Thus, the temperature increases by a factor of \(1.24\)

The factor by which the temperature increases is; 1.24

In thermodynamics, an adiabatic process is one that happens when there is zero heat transfer between the system and its environment. Thereafter, the internal energy change becomes the total work done by the system. The formula associated with this process for an ideal gas is;

\(PV^{\gamma }\) = Constant

We are told that there is an increase in pressure by a factor of 2.5 and that the volume is halved. Thus, we will have;

\(PV^{\gamma} = 2.5P(0.5V)^{\gamma}\)

This will be simplified to;

\((\frac{1}{0.5})^{\gamma} = 2.5\)

⇒ \(\gamma = \frac{In2.5}{In 2}\)

γ = 1.32

Now, If the volume expands in an adiabatic process, then the volume temperature relation is expressed as:

\(T_{1}V_{1}^{\gamma - 1 } = T_{2}V_{2}^{\gamma - 1 }\)

\(T_{1}V_{1}^{1.32 - 1 } = T_{2}(0.5V_{1})^{1.32 - 1 }\)

Simplifying this gives;

T₁ = 1.24T₂

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The velocity of one who runs 40m east in 5 seconds is 8 m/s east.

Velocity is simply the speed at which an object moves in a particular direction.

It is expressed as;

Velocity = Distance / Time.

Given the data in the question;

Plug the given values into the above formula and solve for velocity.

Velocity = Distance / Time.

Velocity = 40m / 5s

Velocity = 8m/s

Therefore, the velocity is 8m/s east.

Option A) 8m/s east is the correct answer.

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Answer:

the workenergy principle is measured in joules

Taking into account the definition of speed ans velocity, the speed and velocity of the car are 10 km/h and 10 km/h due east respectively and the speed and velocity of the truck are 20 km/h and 20 km/h due west respectively.

Speed ​​is a physical quantity that expresses the relationship between the space traveled by an object and the time used for it. That is, the speed is associated with the change of position of an object in space within a certain amount of time.

The speed can be calculated using the expression:

speed= distance traveled÷ time

Velocity is a physical magnitude that relates the displacement of an object, the time it takes to make this change in position and direction. So it is considered a vector magnitude.

The velocity can be calculated using the expression:

velocity= distance traveled÷ time

Velocity has units of distance/time and includes direction of travel.

In this case, you know:

The speed and velocity of the car can be calculated:

The speed and velocity of the truck is calculated as:

In summary, the speed and velocity of the car are 10 km/h and 10 km/h due east respectively and the speed and velocity of the truck are 20 km/h and 20 km/h due west respectively.

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Answer:

about what thing do u need help

I'm here for moral support. Mị học lý tiếng anh chứ không cũng giúp rồi :)))

When an object rests on an inclined surface, if the inclination of the surface is made steeper, the normal force on the object decreases. The normal force is the force exerted by a surface perpendicular to the object in contact.

It is perpendicular to the surface and prevents the object from falling through the surface.The normal force on an object is proportional to the weight of the object. The force is directly proportional to the weight of the object. As the inclination of the surface becomes steeper, the weight of the object along the inclined surface increases.The normal force decreases as the weight of the object increases. So, if the inclination of the surface is made steeper, the normal force on the object decreases.

Therefore, the correct option is B. decrease. Additional Information:In addition, a steeper inclination of the surface increases the force of gravity along the surface and decreases the perpendicular force exerted by the surface.

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A mass swings as a pendulum with a period of 5.5 seconds when it is

attached to a string of indeterminate length. The duration will remain 5.5

seconds.

According to the law of pendulum, the period (T) of a pendulum is given by:

T = 2π√(L/g)

where L is the length of the pendulum and

g is the acceleration due to gravity (approximately 9.81 \(m/s^2\)).

Since the length of the pendulum is unknown, we cannot directly use this

formula to find the period.

However, we can use the fact that the period is constant for a given

pendulum, regardless of its mass.

So, if we double the mass of the pendulum, the period will remain the

same. Therefore, the period will still be 5.5 seconds.

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The energy output from the car is 15125 J and the input energy is given 50000 J. Thus, the efficiency of the car is 30.25 %.

The efficiency of an engine is the ratio of its energy output to the energy input multiplied by 100. The efficiency of a heat engine can be found similarly using the input heat and output heat.

Given the mass of the car is 1000 Kg and it is accelerated to 5.5 m/s. Therefore the kinetic energy output is is calculated as follows:

KE = 1/2 mv²

     = 1/2  1000 kg × (5.5 m/s)²

     =  15125 J

The input energy is 50000 J. Therefore, the energy efficiency is :

efficiency = output energy / input energy × 100

                = ( 15125 J/ 50000J ) × 100

                = 30.25 %

Hence, the energy efficiency of the car is 30.25 %.

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Uranus and Neptune are like the other Jovian planets because they have a lot of gaseous composition, they lack a solid surface, and they are situated far from the sun.

The Jovian planets are four planets in the outer solar system that are gas giants, also known as the gas planets. They are Jupiter, Saturn, Uranus, and Neptune. In terms of the composition of Uranus and Neptune, they contain methane, ammonia, water, and other elements that form gas. Like the other Jovian planets, they lack a solid surface, and they are situated far from the sun.

The rings of Uranus and Neptune are fainter and less complex than the rings of Jupiter and Saturn, but they share certain features. Both Uranus and Neptune are thought to have a small rocky core surrounded by a mix of rock and ice, then a thick layer of metallic hydrogen, and an atmosphere mainly of molecular hydrogen and helium. So therefore because gaseous composition, lack a solid surface, and situated far from the sun, Uranus and Neptune are like the other Jovian planets.

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Answer:

electromagnetic waves transfer energy from one place to another.

Explanation:

Answer: what is the effect of temperature on kinetic energy ?

Explanation: on what the scientists depend while theyre doing experiences to prove their results ??

So 245×10³ N/m the force needed to open the hatch from the inside.

We are aware that pressure rises as we go deeper into any liquid, even water.

Following are the changes in fluid pressure with depth.

P = ρgh

Here, represents the fluid's density.

The height of the liquid column is equal to h and the acceleration caused by gravity is g.

Keep in mind that gh represents the pressure increase caused by the liquid column, while the actual pressure would be

P =  ρgh  + P₀

P₀ is the atmospheric pressure

Hatch present at height 25m

Diameter of the hatch = 0.45m , Radius = 0.225m

Pressure inside the submarine = 1 atm

Pressure on hatch from outside = 1 atm + ρgh

Pressure from inside the submarine on the hatch = 1 atm

Net pressure on the hatch = ρgh

ρgh = 10³ × 9.8 × 25 = 245×10³ N/m.

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Answer:

it's either carbon or silicone

Answer:

180 [J].

Explanation:

1) the required work [W] can be calculated as difference of the energy: W=E₂-E₁, where E₁=mgh₁ - the energy before lifting, E₂=mgh₂ - the energy after lifting;

2) W=mgh₂-mgh₁, where m - mass; g=10 [N/kg], h - height;

3) then the required work [W]:

W=mg*(h₂-h₁)=30*6=180 [J].

The resultant momentum of the object is 13 meters per second.

A moving body's amount of motion is referred to as momentum. In general, it is more difficult to stop a moving object the more momentum it has. For this reason, the term is frequently used in a metaphorical sense, as in the sports team example.

It indicates that the team is having success (usually a winning streak) and is growing as a result. The other teams will find it more difficult to prevent the team from picking up steam.

Given that an object has an x–the momentum of 8.5 kilograms meters/second and a y–the momentum of 9.8 kilograms ·meters/second.

The resultant momentum will be calculated as:-

R = √ ( 9.8² + 8.5²)

R = √168.29

R = 13 meters per second

Therefore, the resultant momentum of the object will be 13 meters per second.

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This process is called an adiabatic process, when a parcel of air expands and cools, or compresses and warms, with no interchange of heat with its outside surroundings.

In thermodynamics, an adiabatic process (Greek: adiábatos, "impassable") is a type of thermodynamic process that occurs without transferring heat or mass between the thermodynamic system and its environment. Unlike an isothermal process, an adiabatic process transfers energy to the surroundings only as work.As a key concept in thermodynamics, the adiabatic process supports the theory that explains the first law of thermodynamics. In an adiabatic process, a parcel of air expands and cools, or compresses and warms, without any interchange of heat with its outside surroundings. So, this process is called an adiabatic process, when a parcel of air expands and cools, or compresses and warms, with no interchange of heat with its outside surroundings.

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Answer:

The correct answer is a. Subsonic

Hope this helps you^_^

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1. Volcanoes occur at specific locations on the Earth's surface, mainly along tectonic plate boundaries.

2. Volcanism is the result of geological processes that occur inside the Earth.

3. Scientists use various methods to monitor volcanoes and predict eruptions. They use seismometers to detect earthquakes, which can indicate the movement of magma beneath the surface.

4. Volcanoes can also occur in other tectonic settings, such as within continental plates or on mid-ocean ridges.

Where volcanoes occur:

Volcanoes occur at specific locations on the Earth's surface, mainly along tectonic plate boundaries. There are three main types of plate boundaries: divergent, convergent, and transform. Volcanoes typically occur at divergent and convergent plate boundaries. At divergent boundaries, magma rises up to the surface as the plates move away from each other, forming fissures or vents that release lava and ash. At convergent boundaries, one plate subducts or goes beneath the other, and the magma rises up through the crust and erupts on the surface. There are also volcanic hotspots, which occur when a plume of hot magma rises from deep within the Earth's mantle and breaks through the crust to form a volcano.

Why volcanoes occur:

Volcanism is the result of geological processes that occur inside the Earth. The Earth's crust is made up of tectonic plates that move and interact with each other. When plates move apart at divergent boundaries, the underlying mantle is partially melted, and magma rises up to the surface. When plates collide at convergent boundaries, the denser oceanic plate is forced beneath the lighter continental plate in a process known as subduction. As the subducting plate sinks deeper into the Earth, it heats up and melts, creating magma that rises to the surface to form volcanoes. Volcanic hotspots are thought to be caused by a plume of hot magma rising from deep within the Earth's mantle and melting the crust above it.

How scientists can predict volcanic eruptions:

Scientists use various methods to monitor volcanoes and predict eruptions. They use seismometers to detect earthquakes, which can indicate the movement of magma beneath the surface. They also monitor gas emissions from the volcano, as changes in the types and amounts of gas can indicate an impending eruption. Ground deformation, measured using GPS and other instruments, can also provide clues about the movement of magma beneath the surface. Scientists use this data to create models of the volcano's behavior and predict when an eruption is likely to occur. They can then issue warnings and evacuation orders to minimize the impact of the eruption.

Outline the function of volcanoes in other tectonic settings:

Volcanoes can also occur in other tectonic settings, such as within continental plates or on mid-ocean ridges. In these settings, volcanoes can create new land, add nutrients to the soil, and provide geothermal energy. Volcanic eruptions can also release gases that affect the Earth's climate, such as carbon dioxide and sulfur dioxide. Over time, volcanic activity can change the landscape and shape the Earth's surface. For example, the Hawaiian Islands were formed by a volcanic hotspot that created a series of volcanic islands as the Pacific plate moved over it.

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Answer:

Interact with it

Explanation:

The body in a condensed form (often a dot or a box)

Straight arrows pointing in the direction in which forces act on the body are represented.

Moments are portrayed by curved arrows pointing in the direction in which they impact the body.

A coordinate system is a series of coordinates.

Answer:

Once the weighted end of the pendulum is released, it will become active as gravity pulls it downward. Potential energy is converted to kinetic energy, which is the energy exerted by a moving object. An active pendulum has the most kinetic energy at the lowest point of its swing when the weight is moving fastest.

Explanation:

A. Jupiter largest and most massive planet in the solar system

Jupiter has a huge permanent storm that looks like a red spot in images

Jupiter has at least 61 moons orbiting it, some of which are very large

Jupiter located closer to the sun than Kuiper Belt

Jupiter came on fifth number from the sun and the Jupiter is the massive planet present in our solar system. It contains the big storms like great red spot. The surface of the Jupiter is gas made giant but the surface of the Jupiter is not solid, but it may have a solid inner core about the size of Earth.

The Jupiter contain at least 61 moons which orbiting the Jupiter . The life on the Jupiter is impossible because the Jupiter contain very much pressure, it has volatile surface and the temperature of the Jupiter is very hot than that of the earth.

So we can conclude that option A is the right answer.

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