a measure of how much the volume of matter decreases under pressure is called_____

Answer:

motion

Explanation:

rest and stationary us a situation where an object is constant-not moving

Take into account that the acceleration of the car can be calculated by using the following expression:

where,

vo: initial speed = 0m/s

v: final speed = 18.4m/s

t: time = 27.8s

Replace the previous values of the parameters into the formula for a and simplify:

Hence, the acceleration of the car is approximately 0.66m/s^2

The pattern shrinks with increasing energy in LEED because the electrons are more energetic at higher energies. This means that the electrons can be more deeply penetrating, meaning that they scatter from deeper layers in the material. This results in a decrease in the diffraction spot intensity,

which is why the pattern appears to be shrinking.In LEED (low-energy electron diffraction), electrons are scattered off of a solid surface. This scattering produces a diffraction pattern that can be used to obtain information about the crystal structure of the material.

The energy of the electrons used in LEED is typically quite low, on the order of a few electron volts. As the energy of the electrons is increased, the pattern begins to shrink. This is due to the fact that the electrons become more energetic and can scatter from deeper layers in the material. This results in a decrease in the intensity of the diffraction spots, which is why the pattern appears to shrink. The main answer, therefore, is that the pattern shrinks with increasing energy in LEED because the electrons are more energetic at higher energies.

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Answer:

4.2 N. S

Explanation:

Impulse =Force X Time

                35 X 0.12

                 4.2 N

Answer:

v = 10 m/s

Explanation:

We have,

Our initial velocity is 20 m/s

Our acceleration, \(a=-5\ m/s^2\)

It is required to find the velocity after 2 seconds. It is a concept based on equation of kinematics. Using first equation:

\(v=u+at\)

Plugging all the known values

\(v=20+(-5)(2)\\\\v=10\ m/s\)

So, our final velocity is 10 m/s.

Answer:

an infection, including bacterial and rabies infections.

broken animal teeth embedded in your wound.

foreign objects embedded in your wound.

possible nerve and blood vessel damage.

The range of a cannonball launched with a speed of 35 m/s at an angle of 50 would be 119.1 meters.

The launching of a cannonball is a case of projectile motion.

The formula for the range(R) of a projectile is

R = 2 u² sin(θ) cos(θ)/g

Here,

u = initial speed with which the projectile is launched = 35 m/s

θ = Angle at which projectile is launched = 50°

R = 2 (35)² sin(50) cos(50)/ 9.8

R = 2 x 1225 x 0.76 x 0.64/9.8

R = 119.1 m

Thus, The range of a cannonball launched with a speed of 35 m/s at an angle of 50 would be 119.1 meters.

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The magnitude of the stress components acting on a plane inclined at an ANGLE of 25° to the major principal plane can be determined graphically using Mohr's circle construction.

1. a horizontal line representing the major principal stress (σ1 = 50 MPa) on a graph paper or a suitable software.2. From the center of the circle, mark a point on the major stress line, representing the major principal stress (50 MPa).

3. Draw a circle with the major stress point as the center and a radius equal to the difference between the major and minor principal stresses [(σ1 - σ3)/2 = (50 - 20)/2 = 15 MPa].4. The circle intersects the horizontal axis at two points. These points represent the maximum and minimum stress components acting on planes perpendicular to the major principal plane.

5. Draw a line at an angle of 25° from the major stress point towards the circumference of the circle.6. The intersection point of this line with the circle represents the stress components acting on the plane inclined at 25° to the major principal plane.

7. Measure the coordinates of this intersection point to determine the magnitudes of the stress components on the inclined plane.

By following these steps, you can construct Mohr's circle and determine graphically the magnitude of the stress components acting on a plane inclined at an angle of 25° to the major principal plane.

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Elements heavier than hydrogen (and helium) are made by stars and therefore should be located within galaxies.

So if we see absorption lines from these elements in quasar spectra, they should have the same redshifts as hydrogen lines from intervening galaxies. Absorption lines may not be present at redshifts of protogalactic clouds that are composed of hydrogen and helium only. This means that the redshifts of these elements should be similar to the redshifts of the galaxies they are associated with. However, it is possible that absorption lines may be present at redshifts of protogalactic clouds that are composed of hydrogen and helium only. In these cases, the redshifts of heavier elements would be different than the redshifts of the protogalactic clouds and therefore not be present in the spectrum.

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Answer:

Measurement is the way humans define certain amounts of matter, and is expressed in various types of units respective to the type of matter or object being defined.

Explanation:

Measurement is extremely important because it helps one another understand how much of something is needed to accomplish something. If no method existed to define the specific amount needed, we would simply mess delicate operations up and machines, even simple recipes, would fail.

The correct prescription for the eyeglasses is 2.11 diopters.

To get the correct prescription for the eyeglasses, we need to first calculate the refractive power needed.

We can use the formula:

Refractive power = 1 / focal length (in meters)

We know that with the contact lenses, the man can read books held no closer than 0.290 m from his eyes.

This means the focal length of the lenses is:

Focal length = 0.290 m

So, the refractive power of the contact lenses is:

Refractive power = 1 / 0.290 m = 3.45 diopters

Now, we need to adjust the refractive power for the new distance between the eyeglasses and his eyes (0.030 m).

We can use the formula:

Adjusted refractive power = original refractive power + (original refractive power x distance change)

Distance change = (new distance - old distance) / old distance

Distance change = (0.030 m - 0.290 m) / 0.290 m = -0.8966

So, the adjusted refractive power for the eyeglasses is:

Adjusted refractive power = 3.45 diopters + (3.45 diopters x -0.8966) = 2.11 diopters

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Answer:

20kg

Explanation:

ΣF = ma

500N = 25m

m = 20kg

Explanation: The amount of solar energy available varies by location on earth, the time of the day at that location, the season and weather conditions. Rain, fog, and clouds will lower the amount of solar power available to gather and there are fewer hours of sun available in different seasons (winter for North America). To gather solar power, you also need a large area. This can be lessened by conditions such as snow, so that even on a sunny day, covered panels will collect less energy.

Answer:

.

Explanation:

The quantity of solar energy accessible varies by location on the planet, time of day, season, and weather conditions. Rain, fog, and clouds reduce the quantity of solar power available for collection, and various seasons have less hours of sunlight accessible (winter for North America). A big region is also required to collect solar electricity. Conditions such as snow can reduce this, such that even on a sunny day, covered panels will absorb less energy.

The increase in length of the copper with original length of 120 m is  8.16×10⁻² m.

A change in length ΔL is produced when a force is applied to a wire or rod parallel to its length L0, either stretching it (a tension) or compressing it.

To calculate the increase in length of the copper, we use the formula below

Formula:

Where:

From the question,

Given:

Substitute these values into equation 1

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Answer:

Explanation:

mass, m = 500 kg

initial velocity, u = 36 km/h = 10 m/s

final velocity, v = 0

distance, s = 40 m

\(v^{2} = u^{2} + 2as\)

\(0^{2} = 10 ^{2} +\) 2 × a × 40

0 = 100 + 80 a

- 80a = 100 - 0

-80a = 100

a = -100 / 80

a = -1.25 m/\(s^{2}\)

force, f = ?

mass = 500 kg

acceleration = -1.25 m/s^2

f = ma

= 500 × -1.25

= -625 N

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So, the equilibrium temperature after the first object mixed with second object is approximately 53.3°C.

Hi! I will help you to solve Black's Principle. Black's Principle state that the heat absorbed by one object is always similar to the heat released by another. So, these objects will transfer heat into each other until they reach an equilibrium temperature. Usually, Black's principle used to find the equilibrium temperature after the interaction of two objects with the same masses but different types, with the same type but different masses, or different types and masses. The type of objects will affect the heat absorbed or released because each type has its specific heat characteristics (c).

So, mathematically Black's Principle can be expressed in the following equation:

\( \sf{\bold{Q_1 = Q_2}}\)

\( \boxed{\sf{\bold{m_1 \cdot c_1 \cdot (T_1-T') = m_2 \cdot c_2 \cdot (T'-T_2)}}}\)

With the following condition:

\( \sf{m_1 \cdot c_1 \cdot (T_1-T')= m_2 \cdot c_2 \cdot (T'-T_2)}\)

\( \sf{1 \cdot \cancel c \cdot (80-T')= 2 \cdot \cancel c \cdot (T'-40)}\)

\( \sf{80 - T'= 2T' - 80}\)

\( \sf{-3T'= -160}\)

\( \sf{T'= \frac{-160}{-3}}\)

\( \sf{\bold{T' \approx 53.3^\circ C}}\)

So, the equilibrium temperature after the first object mixed with second object is approximately 53.3°C.

The temperature drops as soon as winter arrives. Air inside car tires shrinks as the temperature drops.

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To produce a rainbow, the index of refraction needs to vary with wavelength, which causes the different colors of light to refract at slightly different angles.

This occurs when light enters a water droplet and is bent, or refracted, as it slows down due to the higher index of refraction of water compared to air. The different colors of light then reflect off the inner surface of the droplet and are refracted again as they exit the droplet, creating a spectrum of colors. This process is called dispersion and is what creates the beautiful colors of a rainbow.
To produce a rainbow, the index of refraction needs to vary with the wavelength of light. This phenomenon, called dispersion, causes different colors (wavelengths) of light to bend at slightly different angles when passing through a medium like water droplets in the atmosphere. The variation in the index of refraction leads to the separation of colors and the formation of a rainbow.

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The reference equality is tested using the == operator. True. If obj1 and obj2 refer to same object, then obj1 == obj2 is true. True. A String object cannot be changed.

In programming, a string is a form of data that is used to data type rather than integers. Letters, numbers, symbols, and even spaces can all be found in a string, which is a collection of characters. In order for it to recognized as a string, it needs to be encapsulated in quotation marks.

A string is frequently implemented as just an array data structure of bits (or words) that records a sequence of elements, usually characters, using some text encoding. Typically, a string is considered to be a data type.

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Only normal acceleration occurs in a uniform circular motion, and it moves in the direction of the center. Tangential acceleration is equal to zero.

A particular kind of motion in which an object moves in a circle at a fixed speed is known as uniform circular motion. Any point on a propeller, for instance, that is rotating at a consistent speed is doing uniform circular motion.

Two properties let us recognize a particle moving uniformly in circles: It travels in a circle with a radius of r and moves at a constant speed v. The particle's acceleration is then radially pointed toward the center of the circular path and has a magnitude of v2/r.

The weight of the toy is: m = 1 k g

The circle's diameter is r = 1.5 meters.

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Answer:

x = 4.32 [m]

Explanation:

We must divide this problem into three parts, in the first part we must use Newton's second law which tells us that the force is equal to the product of mass by acceleration.

∑F = m*a

where:

F = force = 700 [N]

m = mass = 2030 [kg]

a = acceleration [m/s²]

Now replacing:

\(F=m*a\\700=2030*a\\a = 0.344[m/s^{2}]\)

Then we can determine the final speed using the principle of conservation of momentum and amount of movement.

\((m_{1}*v_{1})+Imp_{1-2}=(m_{1}*v_{2})\)

where:

m₁ = mass of the car = 2030 [kg]

v₁ = velocity at the initial moment = 0 (the car starts from rest)

Imp₁₋₂ = The impulse or momentum (force by the time)

v₂ = final velocity after the impulse [m/s]

\((2030*0) + (700*5)=(2030*v_{2})\\3500 = 2030*v_{2}\\v_{2}=1.72[m/s]\)

Now using the following equation of kinematics, we can determine the distance traveled.

\(v_{2}^{2} =v_{1}^{2}+2*a*x\)

where:

v₂ = final velocity = 1.72 [m/s]

v₁ = initial velocity = 0

a = acceleration = 0.344 [m/s²]

x = distance [m]

\(1.72^{2}=0^{2} +(2*0.344*x) \\2.97 = 0.688*x\\x = 4.32 [m]\)

Answer:

Angle of Refraction ?

Explanation:

My decided answer on this question

2)

Explanation

Step 1

Ohm's law states that the strength of a direct current is directly proportional to the potential difference and inversely proportional to the resistance of the circuit.

so

a)

b)

Step 2

2

let

Power is equal to voltage multiplied by current.

so

also, replacing

also

I hope this helps you

Answer:

It is cause by radiation that's the answer

Explanation: the heat project sun rays towards the popcorn which causes it to pop

Answer:

4 target heart rate. is the answer

Explanation:

hope its right

Specialty stores compete on the basis of low prices, high turnover, and high volume, this statement if false.

Specialty stores typically compete based on factors other than low prices, high turnover, and high volume. Specialty stores differentiate themselves by offering unique, high-quality, or niche products to target specific customer segments. They often focus on providing a curated selection of merchandise, personalized customer service, and expertise in their specific product category.

While competitive pricing and turnover can still be important, the primary emphasis is on providing specialized products and a unique shopping experience rather than competing solely on low prices, high turnover, and high volume.

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true because

brick: solid

milk: liquid

ice cube: solid

Answer:

chargeing by induction

Explanation:

this is the answer have a great day

The highest points of intensity for WF4-358 include 390nm, 402nm, and 420nm (all estimated by x-axis locations in 10 nm increments).

Wavelength is the distance between identical points (adjacent crests) in the adjacent cycles of a waveform signal propagated in space or along a wire. In physics, the wavelength is the spatial period of a periodic wave—the distance over which the wave's shape repeats.

These are the closest approximate wavelengths along the x-axis that correspond to the highest intensities along the y-axis for WF4-358.

The highest points of intensity for WF4-358 include 390nm, 402nm, and 420nm (all estimated by x-axis locations in 10 nm increments).

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