why is the steering of a car wheel and axle​

Answer:

qeyygrydfguygffsddtggfxccfufdrfff

Answer:

Matter can be identified through its properties. One clue to helps us identify matter is magnetism. Magnetism is the ability of a material to be attracted by a magnet. Only certain materials are attracted to magnets, like iron, nickel, and cobalt.

Explanation:

we can identify matter by:  physical properties  and

chemical properties

If a double eclipse were to occur with a lunar eclipse and a solar eclipse happening simultaneously, it would be possible to observe a double eclipse from a specific town on Earth. This would be an extraordinary and rare event, as it would require precise alignment and timing of both the Earth, Moon, and Sun. However, it is important to note that such a simultaneous occurrence of a lunar and solar eclipse is highly improbable in reality.

Answer:

its false for sure, its water that becomes to glucose

Answer:

1.00 m is a more accurate measured length.

Explanation:

Denote length of the table by L.

For L=1.0 m, there is one significant digit after the decimal.

Care 1: When one more significant digit after decimal considered, the exact number can be from 0.95 to 1.05.

So, the possible span of error \(\Delta E_1= 1.05-0.95= 0.1m\)

For L=1.00 m, there is two significant digits after the decimal.

Case 2: When one more significant digit after decimal considered, the exact number can be from 0.095 to 1.005.

So, the possible span of error \(\Delta E_2= 1.005-0.095= 0.01m\)

Case 3: For L=1.000 m, there is three significant digits after the decimal.

When one more significant digit after decimal considered, the exact number can be from 0.0095 to 1.0005.

So, the possible span of error \(\Delta E_3= 1.0005-0.0095= 0.001m\)

As \(\Delta E_1 >\Delta E_2>\Delta E_3\)

So, the least error is in the third case when L=1.00m, hence, L= 1.00m is more accurate.

I hope that the attachment helps you..

Explanation:

derive its name from a Native American word meaning wild onion

The mechanical energy lost by the car is 246415.84 J.

This can be defined as the energy possessed by a body due to motion or due to its position.

To calculate the mechanical energy lost, we use the formula below.

Formula:

Where:

From the question,

Given:

Substitute these values into equation 1

Hence, The mechanical energy lost by the car is 246415.84 J.

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Light rays first pass through the transparent layer called the cornea and then refracted again as they pass through the transparent lens.

How do light rays flow in the eyes?

The first factor in the journey of light via the eye is the objects being seen and how they produce, reflect, or change the light in various ways.

The visual cortex of the brain's occipital lobe serves as the destination of the light pathway, which starts with photoreceptors in the retina. Rod and cone cells are two different types of photoreceptors. When it comes to eyesight in low light and in peripheral vision, rods can be especially helpful.

The cornea is where most of the refraction occurs as light enters the eye's curved, transparent front surface. The natural or crystalline lens of the eye also distorts light rays. When an item passes in front of the eye, its rays pass through the transparent cornea and enter the eye.

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Answer: There are five principles of fitness out of which two are overload principle and rest and recovery principle. Overload principle is one of the most important principle which tell that to gain and improve the fitness one should do the hard work.  

Slowly and gradually the intensity and time of exercise are increased so that our body can adapt to the hard work. Overload principle plays an important role in improving the skills and improving performance during exercise and sports.

Rest and recovery principle is important to relax the body and release the stress that happens due to intense training like in case of weight lifting one day rest should be taken to repair and rebuild the muscles. This allows the body to encounter the fatigue and improve performance.

Explanation:

Light with the lowest frequency (longest wavelength) detected by your eyes is perceived as the color red.

The light with the lowest frequency (longest wavelength) detected by your eyes is perceived as the color red.

The human eye is capable of detecting a wide range of light frequencies, which we perceive as different colors. The lowest frequency of light (and therefore longest wavelength) that we can detect is red light, which has a frequency of approximately 430 to 480 terahertz (THz) and a wavelength of about 620 to 750 nanometers (nm). Light with even lower frequencies, such as infrared radiation, cannot be detected by the human eye and are typically detected using specialized equipment. The perception of color by the human eye is a complex process involving the activation of specific cells in the retina, which then send signals to the brain for interpretation.

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The torque due to Fp about the origin is approximately -51.3 i + 11.4 j - 32.6 k. The torque due to Fp about the origin can be calculated using the cross product between the position vector of the point of application of the force (r) and the force vector (Fp). The torque is given by the expression: τ = r x Fp

To calculate r, we need to determine the position vector of point P relative to the origin. Since the pipe system consists of three pipes, we can break down the position vector into three components, each corresponding to the length of each pipe. Let's call the angles between the pipes θ₁ and θ2, where θ₁ is the angle between pipes 1 and 2 and θ₂ is the angle between pipes 2 and 3. We can then write:

r = L₁ cosθ₁ i + (L₁ sinθ₁ + L₂) j + (L₁ sinθ₁ + L₂ + L₃ cosθ₂) k

Substituting the given values, we get:

r = 1.95 cosθ₁ i + (1.95 sinθ₁ + 0.600) j + (1.95 sinθ₁ + 0.600 + 2.70 cosθ₂) k

To find the angles θ₁ and θ₂, we can use the dot product between the position vectors of adjacent pipes. For example, the dot product between the position vectors of pipes 1 and 2 is given by:

r₁ · r₂ = L₁ L₂ cosθ1

Substituting the given values and solving for θ₁, we get:

θ₁ = cos^-1(r₁ · r₂ / L₁ L₂) = cos^-1(0.600 / (1.95 x 0.600)) ≈ 71.9°

Similarly, we can find θ₂ by taking the dot product between the position vectors of pipes 2 and 3:

r₂ · r₃ = L₂ L₃ cosθ₂

Substituting the given values and solving for θ₂, we get:

θ₂ = cos^-1(r₂ · r₃ / L₂ L₃) = cos^-1((1.95 sinθ₁ + 0.600) / (0.600 x 2.70)) ≈ 21.3°

Now we can substitute the values of r and Fp into the expression for torque:

τ = (1.95 cosθ₁ i + (1.95 sinθ1 + 0.600) j + (1.95 sinθ₁ + 0.600 + 2.70 cosθ₂) k) x (-21.0 i + 46.5 j + 32.5 k)

Expanding the cross product using the ijk unit vectors, we get:

τ = (-21.0(1.95 sinθ₁ + 0.600 + 2.70 cosθ₂) - 32.5(1.95 sinθ₁) + 46.5(1.95 cosθ₁)) i
     + (32.5(1.95 cosθ₁) + 21.0(1.95 cosθ₁)) j
     + (21.0(1.95 sinθ₁) - 46.5(1.95 sinθ₁ + 0.600)) k

Substituting the values of θ₁ and θ₂, we get:

τ ≈ -51.3 i + 11.4 j - 32.6 k

Therefore, the torque due to Fp about the origin is approximately -51.3 i + 11.4 j - 32.6 k.

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The integral in Ampere's law must be evaluated around a closed path, but the path itself can take on many different shapes and orientations.

In using Ampere's law, the integral must be evaluated around a closed path. Ampere's law is a fundamental principle in electromagnetism that relates the magnetic field around a closed loop to the electric current passing through the loop. The integral form of Ampere's law states that the line integral of the magnetic field around a closed loop is equal to the current passing through the loop multiplied by a constant known as the permeability of free space. This law is useful for calculating the magnetic field around various current-carrying structures such as wires, solenoids, and transformers.
The integral around the closed path can be evaluated in any direction, clockwise or counter-clockwise, as long as it follows the right-hand rule for magnetic field direction. The path can be any shape, as long as it is closed and the current passes through the loop. The integral can also be evaluated in multiple segments if the path is not continuous. In summary, the integral in Ampere's law must be evaluated around a closed path, but the path itself can take on many different shapes and orientations.

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Occupant kinematics is referred to as the study of the motion of occupants inside of a vehicle during a crash or accident.

This refers to an incident which occurs unintentionally and suddenly thereby causing different types of harm and damage.

Occupant kinematics involves studying the motion of occupants in a crash and it is used in different types of investigations in other to know the main cause of death. It is also used in vehicle designs so as to produce safer ways and materials used in them so as to reduce the risk of serious harm to the body.

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The total work done on the object is 14.0 Joules.

To find the total work done on the object, we need to calculate the work done in the eastward direction and the work done in the northward direction separately, and then add them together.

Work is defined as the product of force and displacement, given by the equation:

Work = Force * Displacement * cos(θ)

Where θ is the angle between the force and displacement vectors. Since the force and displacement are in the same direction, the angle θ is 0 degrees, and cos(0) = 1.

First, let's calculate the work done in the eastward direction:

Work_east = Force_east * Displacement_east

= 2.0 N * 3.0 m

= 6.0 Joules (J)

Next, let's calculate the work done in the northward direction:

Work_north = Force_north * Displacement_north

= 2.0 N * 4.0 m

= 8.0 Joules (J)

Now, we can find the total work done by adding the work done in each direction:

Total work = Work_east + Work_north

= 6.0 J + 8.0 J

= 14.0 Joules (J)

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To express the current i1 in terms of the currents i2 and i3, we can use Kirchhoff's current law (KCL), which states that the sum of currents entering a node is equal to the sum of currents leaving the node. In this case, the node where i1, i2, and i3 meet is the point of interest.

Based on the direction of the currents specified in the figure, we can write the equation:

i2 + i3 = i1

This equation represents the application of KCL at the node where i1, i2, and i3 are connected. According to KCL, the sum of currents entering the node (i2 and i3) is equal to the sum of currents leaving the node (i1).

Therefore, the expression for the current i1 in terms of i2 and i3 is:

i1 = i2 + i3

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Answer:

6

.40 recharge

1.0v

45.0v

Oil is a compound.

The species which contain more than one element is called compound. Oil is a mixture of many elements like liquid hydrocarbons, oxygen, nitrogen, sulphur, hydrogen gas etc. This elements form a large variety of structure.

Answer:

compound I believe

Explanation:

Many elements are present in the oil, such as liquid hydrocarbons, oxygen, nitrogen, sulfur, hydrogen gas, etc. These elements have many different structures.

The values of all sub-parts have been obtained.

(a). W = 43.75 J

(b). W = 43.75 J.

(a) The amount of work that has to be done to stretch the spring is equal to the area under the force-extension graph or

W = 0.5kx²

Here, k = 3.5 × 10⁴ N/m, and x = 0.050 m

The equation for calculating the work done is:

W = 0.5kx²

W = 0.5(3.5 × 10⁴)(0.050)²

W = 43.75 J

(b). When the spring is compressed, we have to find the work done.

Here, the force exerted on the spring by the compressed distance will be opposite to the displacement of the spring.

The work done on compressing the spring 0.050 m can be calculated as follows:

W = 0.5kx²

W = 0.5(3.5 × 10⁴)(0.050)²

W = 43.75 J

The work done in compressing the spring by the same distance is also 43.75 J.

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check the pictures(2 pictures)check the pictures(2 pictures)check the pictures(2 pictures)

The vector sum of the two forces is 20  and the magnitude of the resultant is 20 towards positive x-axis.

A vector is a quantity or phenomena with magnitude and direction that are independent of one another. The phrase also refers to a quantity's mathematical or geometrical representation.

If no vector can be written as a linear combination of the others, a set of vectors is said to be linearly independent.

The vector representation for the forces F and F are:

\(\rm \vec F_1 = 20 COS 60^0 \vec i + 20 SIN 60^0 \vec j\\\\ F_1 =20 \times \frac{1}{2} \vec i+20 \times \frac{\sqrt{3} }{2} \vec j \\\\ \vec F_1 = 10 \vec i+ 10 \sqrt{3} \vec J\)

\(\rm F_2 = 20 cos 60^0 \vec i+20 sin(-60) \vec j \\\\ F_2 = 20 \times \frac{1}{2} \times \vec i+20 \times \frac{\sqrt{3} }{2} \vec j \\\\ \vec F_2 = 10 \vec I -10\sqrt{3} \vec J\)

The vector sum of the two forces are;

\(\rm \vec R = \vec F_1+\vec F_2\\\\ \vec R = 10 \vec i+ 10 \sqrt{3} \vec J+10 \vec i-10\sqrt{3} \vec J\\\\ \vec R =20 i\)

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Answer:

A work is done because the object moved

B no work is done because the donkey didnt move

Explanation:

The focal length of the lens is 15 cm. The correct option is C).

Using the thin lens equation

1/f = 1/d_o + 1/d_i

where f is the focal length of the lens, d_o is the object distance, and d_i is the image distance.

We are given that the object height, h_o, is 1.15 cm, the image height, h_i, is 5.75 cm, and the object distance, d_o, is 12 cm. Since the image is upright, the magnification, M, is positive:

M = h_i / h_o = 5.75 / 1.15 = 5

We can use the magnification equation to find the image distance

M = - d_i / d_o

d_i = - M * d_o = -5 * 12 cm = -60 cm

The negative sign indicates that the image is virtual, which means it is on the same side of the lens as the object.

Now we can use the thin lens equation to solve for the focal length:

1/f = 1/d_o + 1/d_i = 1/12 cm - 1/60 cm = 1/15 cm

f = 15 cm

Therefore, the focal length is 15 cm. The correct Answer is option C).

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Answer:

stove

Explanation:

The stove is the independent variable in this question as it does not depend on anything like other variables such as pot, water, temperature and of cause pasta.

The pot depends on the stove, the water depends on the pot and stove, the pasta depends on the water and its temperature.

Cheers.  

It happens due to the elasticity of balloon.Also, the pressure inside the balloon of air is higher than outside, which creates a difference between the surrounding air pressure and the pressure inside the balloon.

why, when popped, does a fully inflated balloon make a louder noise than a partially inflated balloon?

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A bit of the sunlit side of the moon shows, with the sunlit side being on the left is waning crescent moon.

The Waning Crescent is the eighth and final phase in the cycle of phases. This Moon phase occurs once a month, rising around 3 AM, and setting around 3 PM, sticking around for approximately 7.38 days before going into the New Moon phase.

As the moon starts to retreat back toward the new phase, you'll find the energy getting less intense by the day, allowing you to slow down and give more time to your inner thoughts.

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The technique that Hubble used to discover Hubble's Law was spectroscopic redshift.

Hubble's Law, formulated by astronomer Edwin Hubble in the 1920s, describes the relationship between the recession velocity of galaxies and their distance from Earth. It states that the recessional velocity of a galaxy is directly proportional to its distance from us.

To measure the distances and recession velocities of galaxies, Hubble used the spectroscopic redshift method. Spectroscopic redshift involves analyzing the light emitted by galaxies and measuring the shift in the wavelengths of specific spectral lines towards longer wavelengths (redshift) compared to their rest wavelengths. Hubble observed that the light from distant galaxies exhibited a redshift, meaning that the spectral lines were shifted towards longer wavelengths. By measuring the extent of this redshift, he could determine the velocity at which the galaxies were moving away from Earth. Hubble then compared these recession velocities with independently measured distances to various galaxies, often using Cepheid variable stars as standard candles. Through his analysis, he discovered a clear linear relationship between recession velocity and distance, which became known as Hubble's Law.

By utilizing spectroscopic redshift measurements and combining them with distance determinations, Hubble provided compelling evidence for the expansion of the universe and established a fundamental principle of modern cosmology.

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The best description of the bottleneck resource for a process is: It is the resource that takes the longest time.

In process management, a bottleneck refers to a point in the process where the flow of work is limited or constrained, causing a delay in the overall process. The bottleneck resource is the specific resource (such as a machine, equipment, or person) that has the longest processing time compared to other resources in the process.

The presence of a bottleneck resource can significantly impact the efficiency and throughput of the entire process. Since the bottleneck resource takes the longest time to complete its tasks, it creates a bottleneck effect by limiting the overall capacity of the process. The output of the process cannot exceed the capacity of the bottleneck resource, which can lead to waiting times, delays, and inefficiencies in the process.

Identifying and managing the bottleneck resource is crucial for optimizing process performance. Strategies such as increasing the capacity of the bottleneck resource, balancing workloads, improving efficiency, or redesigning the process flow can help alleviate the bottleneck and improve the overall productivity of the process.

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Answer:

The total displacement 560 m

Explanation:

 Given:

t₀ = 0 s

t = 25 s

V₀ = 10 m/s

V = 35 m/s

___________

D - ?

Acceleration:

a =  (V - V₀) / (t - t₀) = (35 - 10) / (25 - 0) = 25 / 25 = 1.0 m/s²

The total displacement:

D = V₀·t + a·t² / 2

D = 10·25 + 1.0·25² / 2 ≈ 560 m

In the predator-prey relationship between eagles and rabbits, the larger the population of rabbits, the more the number of eagles the rabbit population can support.

A predator-prey relationship is a relationship between two organisms in which one organism kills the other for food.

The organism that kills the other for food is the predator.

The organism that is killed for food is the prey.

In the relationship between eagles and rabbits, the eagles are the predators while the rabbits are the prey.

The larger the population of rabbits, the more the number of eagles the rabbit population can support.

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Answer:the answer is B

Explanation: just took the quiz

Answer:

B. A microwave oven causes water molecules in a cup to vibrate

faster.

Explanation: