What is an electron?​

Answer:

External locus of control

Explanation:

External locus of control is an attitude people possess that makes them attribute their failures or successes to factors other than themselves. The opposite of this type of attitude is the Internal locus of control where the individuals take responsibility for the outcomes of their actions whether good or bad. One good thing about the external locus of control is that when the individuals with this characteristic record successes, they attribute it to others and this presents them as people with team spirit. However, when they record failures, they do not want to take the blame, but rather attribute it to others.

Fred exhibits an external locus of control because he attributed his speeding to other factors like the road signs and GPS instead of fully admitting that it was his fault.

Answer:

Average acceleration of the car is 1.167 m/s^2

Explanation:

The speed of car with which it is travelling is 12 m/s

As the driver accelerates the car, the speed reaches 26 m/s

The change in speed in 12 seconds is

26 -12 = 14 m/s

Average acceleration is change in speed divided by time

\(\frac{14}{12} \\1.167\) m/s^2

Answer:

The average speed is 5.8 m/s

Explanation:

I just did it

According to the question, the maximum distance the spring will be compressed is approximately 0.0698 meters.

The potential energy stored in the spring, when it is compressed, is given by the formula: Potential energy = (1/2) kx²

Given that the potential energy stored in the spring is 3.40 J and the force constant of the spring is 1400 N/m, we can set up the equation as follows: 3.40 J = (1/2) (1400 N/m) x²

Solving for x, the compression distance of the spring:

x² = (2 × 3.40 J) / (1400 N/m)

x² = 0.004857

x = sqrt(0.004857)

x ≈ 0.0698 m

Therefore, the maximum distance the spring will be compressed is approximately 0.0698 meters.

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Answer:

Increase height

Increase mass

Answer:

Harmful bacteria are called pathogenic

Explanation:

Harmful bacteria are called pathogenic bacteria because they cause disease and illnesses like strep throat, staph infections, cholera, tuberculosis, and food poisoning.

Answer:

making it easier to perform a cost-benefit analysis of a decision.reducing the marginal benefits for a particular choice.

Explanation:

Answer: Making certain choices more beneficial than others.

Explanation: Just took test - Apx

Answer:

It demonstrates that the narrator is surrounded by nature.

Explanation:

Walt Whitman's "Crossing the Brooklyn Ferry" is a free verse poem written about the speaker's return trip on a ferry. He talks about his daily commute on the Brooklyn ferry, like the other commuters, and how they all share the same experience.

The given lines are from the very first stanza of the poem. The speaker repeats "face-to-face" when talking about nature. He sees the "flood-tide below" and the "clouds" high in the sky. This repetition demonstrates that he is surrounded by nature, amidst the throng of people around him. This shows the speaker's attitude of seeing the beauty of nature in any way he can, despite the bustle of commuting from Brooklyn to Manhattan.

Thus, the correct answer is the second option.

Answer:

B

Explanation:

edge 2023

Assuming a two-tailed hypothesis test with a dependent samples t-test, with a sample size large enough to approximate a normal distribution.

The null hypothesis (H0) states that there is no significant difference between the means of the two samples being compared. The alternative hypothesis (Ha) states that there is a significant difference between the means of the two samples.

If tobt = 2.421 and tcrit = 2.447 at the .05 significance level, we can say that:

The calculated t-value (tobt) falls within the acceptance region (between -2.447 and 2.447) of the null hypothesis.

The critical value (tcrit) falls outside the acceptance region, which means that it lies in the rejection region.

Since tobt falls within the acceptance region, we fail to reject the null hypothesis at the 0.05 level of significance.

Therefore, we conclude that there is not enough evidence to support the claim that there is a significant difference between the means of the two samples at the 0.05 level of significance.

In summary, we fail to reject the null hypothesis and conclude that there is not enough evidence to support the claim of a significant difference between the means of the two samples being compared.

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A fisherman looks under the water at a fish, the apparent depth of the fish for an observer outside the water is less than the actual depth of the fish and inside the water is greater than the actual depth of the fish

The apparent depth of a fish for an observer outside the water and inside the water is different. The apparent depth of the fish for an observer outside the water is less than the actual depth of the fish. The reason behind this phenomenon is that the light rays from the fish traveling to the observer outside the water bend away from the normal due to refraction. This effect makes the fish appear higher than its actual position. Hence, the observer perceives that the fish is at a depth less than its actual depth.

On the other hand, the apparent depth of the fish for an observer inside the water is greater than the actual depth of the fish. When light passes from air to water, its speed decreases and bends towards the normal. Therefore, the light rays coming from the fish to the observer in the water bends towards the normal and makes the fish appear lower than its actual position. Consequently, the observer inside the water perceives that the fish is at a depth greater than its actual depth. Overall, the apparent depth of an object depends on the refractive index of the medium and the angle of incidence of the light ray.

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The answer using kg/m2/s units denotes angular momentum. (option C).

The following are the units for the specified quantities:

A) Newtons of force (N)

B) Joules of Work (J)

C) The kilogram-meter-squared per second (kgm2/s)  is unit of angular momentum

D) Linear momentum, expressed in kilograms per second (kg/s).

E) Watts (W) Power

F) Joules (rotational kinetic energy)

(G) Moment of inertia expressed in kilograms per square meter (kg/m2)

H) Newton-meters (Nm) of torque.

The quantity must have been momentum since the response had the units (kgm/s).

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Answer:

C

Explanation:

Answer:

t

Explanation:

Answer:

False

Explanation:

Answer:

One astronomical unit

Explanation:

in terms of the astronomical unit, or AU. One astronomical unit is the approximate mean distance between the Earth and sun. It's about 93 million miles (150 million km), or 8 light-minutes.

The amount of force necessary to keep it submerged in water is F=0.258N.

The force required to hold a table tennis ball submerged in water is calculated using the formula:

\(F =\frac{ (\rho * V * g) }{ A}\)

Where F is the force, ρ is the water's density, V is the ball's volume, g is its gravitational acceleration, and A is its cross-sectional area.

The following formula is used to determine the ball's volume:

\(V = \frac{4}{3}*pi*r^3\)

where r is the ball's radius.

The radius of the ball is half its diameter, thus:

\(r = 3.8 cm^2\)

Therefore,

\(V = \frac{4}{3}*pi *(3.8 cm ^2)3\\V = 0.5222 cm3\)

The cross-sectional area of the ball is calculated using the formula:

\(A = \pi * r^2\\\\A = \pi* (\frac{3.8 cm }{ 2})^2\\A = 4.5257 cm^2\)

Substituting the values in the above formula,

\(F =\frac{ (0.084 g/cm^3 * 0.5222 cm^3 * 9.8 m/s^2) }{4.5257 cm^2}\\F = 0.258 N\)

Hence, the force needed to keep it submerged in water is 0.258N

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In our solar system, distances are really great. Therefore, astronomers frequently avoid using miles or kilometers when describing the distances to planets, asteroids, comets, or spacecraft.

They substitute astronomical units, or AU, which represent the typical separation of the Earth from the sun. That translates to around 93 million miles, 150 million kilometers, or 8 light-minutes.

It is simpler to visualize relative distances in space when thinking in terms of astronomical units.  An astronomical unit is 92,955,807 miles in exact distance (149,597,871 km).

The orbit of the Earth around the sun is not a complete circle. Consequently, during the year, Earth's distance from the sun varies. Earth is approximately 0.983 AU from the sun when it is at perihelion, which occurs in January.

Therefore, In our solar system, distances are really great. Therefore, astronomers frequently avoid using miles or kilometers when describing the distances to planets, asteroids, comets, or spacecraft.

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Answer: 200W

Explanation: P = W/T

60,000 / (5*60) = 200

Answer:

\(.\)

Explanation:

sunspots are areas that appear dark on the sun's surface.They appear dark because they are colder that parts of the sun's surface. However, the temperature of a sunspot is still very high. This can cause a sudden burst of energy space. If a solar flare is very intense, the radiation it releases can interfere with our radio communication here on earth

The reaction force is string pulling on the Nellie when a tether ball in a horizontal circular path over her head .

A reaction force is a force that acts in the opposite direction to an action force. i.e. Newton's third law of motion describes action and reaction forces and the law states that for every action force, there is an equal and opposite reaction force.

There are Newton's three law of motion which can be describe as ,

The first law is can be stated as, an object will not change its motion unless a external force acts on it.

The second law is describe as, the force on an object is equal to its mass times its acceleration. i.e.

F = ma

In above equation F is force , m is mass and a is acceleration on an object.

The third law can be explained as, when two objects interact, they apply forces to each other of equal magnitude and opposite direction.

Therefore , from the above discussion can be said as Nellie whirls a tether ball in a horizontal circulars path over her head. if the action force is nellie pulling on the string, the reaction force is string pulling on the Nellie.

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The modulus of elasticity, E, is a measure of a material's stiffness and ability to resist deformation when a force is applied. It is defined as the ratio of stress to strain within the elastic range of the material. In other words, it describes how much a material will stretch or compress under a given force.

The modulus of elasticity is important because it allows engineers to predict how materials will behave under different conditions, such as temperature changes, loading conditions, and other factors. It also helps to determine the maximum load a material can withstand before it starts to deform or break.

In detail, the modulus of elasticity is a fundamental property of a material that describes its ability to resist deformation when subjected to external forces. It is calculated by measuring the stress and strain of the material and using the equation E = σ/ε, where σ is stress and ε is strain.

The modulus of elasticity is important in many areas of engineering, such as structural design, materials science, and mechanics. It helps to ensure that structures and materials are designed and tested to withstand the loads and stresses they will be subjected to, and it provides a basis for comparing different materials and choosing the best one for a particular application.

In summary, the modulus of elasticity, E, is a material property that describes its stiffness and resistance to deformation. It is correctly determined using Hooke's Law and is crucial for predicting the mechanical behavior of materials when subjected to stress.

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The output amplitude of the first-order high-pass filter is approximately 0.0082 times the input amplitude.

To calculate the output amplitude of a first-order high-pass filter, we need to determine the transfer function and evaluate it at the frequency of the input signal.

The transfer function for a first-order high-pass filter can be expressed as:

H(s) = s / (s + ωc)

Where s is the complex frequency variable and ωc is the cutoff frequency.

In this case, the input signal is vin = 3 sin(50t), which can be represented as Vin(s) = 3 / (s^2 + 2500).

To calculate the output amplitude, we need to multiply the input signal in the Laplace domain by the transfer function:

Vout(s) = H(s) * Vin(s)

       = (s / (s + 500)) * (3 / (s^2 + 2500))

To find the output amplitude, we need to evaluate Vout(s) at the frequency of the input signal, which is 50 rad/s.

Vout(50) = (50 / (50 + 500)) * (3 / (50^2 + 2500))

Vout(50) ≈ (50 / 550) * (3 / 2750)

        ≈ (1 / 11) * (3 / 2750)

        ≈ 0.0082

Therefore, the output amplitude of the first-order high-pass filter with ωc = 500 rad/s and an input signal vin = 3 sin(50t) is approximately 0.0082 times the input amplitude.

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Answer: (C) Slide against each other

Explanation:

Think about rubbing our palms together, and they get warm that right there is friction.

Answer:

slide against each other

Explanation:

Answer:

Hetefrozygous, homofzygous

Technician A  and is  correct. Vortex flow is the flow of transmission fluid from the center to the outside edge and back.

Rotary flow is the flow of oil around the circumference of the torque converter.Vortex flow is a type of fluid flow where a fluid is spinning in a circular motion around an axis. This motion creates a cylindrical, swirling flow pattern that can be found in many natural phenomena, such as tornadoes and whirlpools. Vortex flow is also seen in many engineering applications, such as in pipes, turbines, and aircraft engines.Vortex flow is created when a fluid is forced to spin in a circular motion due to an imbalance in pressure, temperature, or other forces.  

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Technician A  and is  correct. Vortex flow is the flow of transmission fluid from the center to the outside edge and back.

Rotary flow is the flow of oil around the circumference of the torque converter.Vortex flow is a type of fluid flow where a fluid is spinning in a circular motion around an axis. This motion creates a cylindrical, swirling flow pattern that can be found in many natural phenomena, such as tornadoes and whirlpools. Vortex flow is also seen in many engineering applications, such as in pipes, turbines, and aircraft engines.Vortex flow is created when a fluid is forced to spin in a circular motion due to an imbalance in pressure, temperature, or other forces.  

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Answer:

Spaghetti.

Explanation:

Answer:

A screw

Explanation:

The threads of a screw act like an inclined plane to increase the distance over which you exert the input force.

The drag force acting on the skydiver immediately after she has opened the parachute is 588 N

since we are provided with a coefficient which is 60.0 kg/m, the problem we are dealing with is related to drag force which is The resistance offered by a liquid, like water or air, which is called the drag force, when an object moves through it. It acts in a direction inverse to the object’s movement. It is produced by the relative speed between the strong object and the liquid. Whether the object or liquid is moving, drag happens as long as there's a difference in their speeds. Since it is safe to move, drag tends to moderate the object. A successful way to diminish it is to change the shape of the object and make it streamline.

Here the drag force is equal to  its weight,

F= mg = 60* 9.8 =588 N

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Moving electric charges create electric and magnetic fields.

Electricity is the flow of electrical energy or charge through a material. It is a form of energy that comes from a variety of sources, including natural sources such as lightning, or from man-made sources such as batteries, generators, or power plants. Electricity is a fundamental part of modern life, and is used for a variety of purposes, from powering lights, appliances, and machines to providing heat and cooling. It is also used to transmit information over long distances, such as through telephone and internet networks.

Electric fields are created when a moving charge exerts a force on other charges, while magnetic fields are created when a moving charge creates a circular force around itself. Electric and magnetic fields can interact with each other and can cause a force to act on other electric charges.

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Answer:

Explanation:

Given:

Mass of bicyclist = 50 kg

Mass of bicycle = 10 kg

Initial velocity (u) = 5 m/s

Final velocity (v) = 10 m/s

Find:

(a) What was the total kinetic energy before accelerating = ?

(b) What was the total kinetic energy after accelerating = ?

(c) How much work was done to increase the kinetic energy of the bicyclist = ?

Computation:

Total mass (M) = 50 kg + 10 kg = 60 kg

1. The total kinetic energy before accelerating = 1/2[Mu²]

The total kinetic energy before accelerating = 0.5[(60)(5)²]

The total kinetic energy before accelerating = 750 J

2. The total kinetic energy after accelerating = 1/2[Mv²]

The total kinetic energy after accelerating = 0.5[(60)(10)²]

The total kinetic energy after accelerating = 3,000 J

3. Total work done = Δ K.E

Total work done = 3,000 J - 750 J

Total work done = 2,250 J

The transformation of the U.S. healthcare system from a cottage-based, loose network to its current state has been shaped by technological advances, industrialization and urbanization, health insurance and financing, government regulation and policy, changing demographics and epidemiology, and market forces and economics.

Several key forces have shaped the transformation of the U.S. healthcare system from a cottage-based, loose network to its current state. These forces include:

1)Technological Advances: The development and adoption of medical technologies have significantly influenced the healthcare landscape. Advances in diagnostics, treatment modalities, electronic health records (EHRs), telemedicine, and medical devices have facilitated the expansion and integration of healthcare services.

2)Industrialization and Urbanization: The shift from rural to urban areas led to increased population density and the need for centralized healthcare facilities. Industrialization contributed to the growth of cities, creating a demand for larger hospitals, specialized medical services, and standardized healthcare practices.

3)Health Insurance and Financing: The rise of health insurance, both private and public (e.g., Medicare and Medicaid), played a crucial role in shaping the healthcare system. Insurance coverage allowed for broader access to healthcare services and influenced the consolidation of providers and the development of managed care organizations.

4)Government Regulation and Policy: Government policies and regulations have played a significant role in shaping the healthcare system. Legislation such as the Social Security Act of 1965 (establishing Medicare and Medicaid), the Affordable Care Act (ACA) of 2010, and various healthcare reforms have influenced the organization,

financing, and delivery of healthcare.

5)Changing Demographics and Epidemiology: Shifting demographics, such as an aging population and changes in disease prevalence and patterns, have driven changes in healthcare. The increase in chronic diseases and the need for long-term care have necessitated the development of specialized healthcare services and care models.

6)Market Forces and Economics: Market dynamics, including competition, cost pressures, and profit motives, have influenced the healthcare system's structure.

Consolidation of healthcare providers, the growth of healthcare corporations, and the emphasis on cost containment and value-based care have shaped the current landscape.

These forces, among others, have contributed to the transformation of the U.S. healthcare system into a more complex, integrated, and centralized structure, moving away from its cottage-based, decentralized origins.

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