1. A jogger jogs 25 m East, stops to rest, then continues for 10 more meters
East? What is the jogger's displacement?

The equipotential surfaces associated with a point charge are concentric shells.

Charged material experiences a force when it is exposed to an electromagnetic field due to the physical property of electric charge. You can have a positive or negative electric charge.

The equipotential surface is the region where all points with the same potential are located. On the equipotential surface, a charge can be moved from one point to another without exerting any effort.

Thus,a point charge's related equipotential surfaces are concentric shells.

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Answer:

3.26 cm

Explanation:

The first line of the small scale is located between 3.2 and 3.3. Then, to identify the hundreds, we look for the first line in the small scale that is aligned to the great scale. In this case, that line is the number 6. So, the measurement obtained from the vernier caliper is

3.26 cm

Students are instructed in subject-specific classes by science professors. They develop lesson plans, assess student performance, and educate using lectures, technology.

The teacher who gives their best in order to develop the skills in all student of their class. A good teacher has to be a great command of his/her subjects.

He/she has to put their effort to improve the weak student of the class as well must appreciate the effort of good students.

The role of the teacher and the learner in a natural science and technology classroom​ is;

Students are instructed in subject-specific classes by science professors. They develop lesson plans, assess student performance, and educate using lectures, technology,

They also serve as role models for anticipated conduct in order to develop and maintain an ordered, disciplined classroom.

They must also be analytical since they must analyze kids' development and modify lesson plans for special-needs children.

They may create and sustain interpersonal ties with students, parents, other staff members, and administrators.

Hence the role teacher is to instruct the student, maintain discipline and educate using technology.

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The two strings are taut. When the system is released from rest, it accelerates at 2 m/s2 then, Mass of A = 8m/5 kg.

Let the mass of the body A be ‘m’.

The two strings are taut so they exert a tension ‘T’ on body A.

Let ‘a’ be the acceleration produced in the system.

The free body diagram of body A is given below: mA + 2T = mA + ma = mA + m(2)mA + 10T = mA + ma = mA + m(2)

As the two strings are taut, we can say that tension in both strings is equal.

Therefore 2T = 10T or T = 5T As the body A is resting on a smooth horizontal table, there is no friction force acting on the body A.

The net force acting on body A is the force due to tension in the strings. ma = 2T – mg …(1)

As per the given problem, the system is released from rest.

Hence the initial velocity is zero.

Also, we are given that the system accelerates at 2 m/s2.

Therefore a = 2 m/s2 …(2)

From the equations (1) and (2), we get, m(2) = 2T – mg …(3)⇒ m(2) = 2×5m – mg⇒ 2m = 10m – g⇒ g = 8m/5

Thus, the mass of A is 8m/5 kg.

Answer: Mass of A = 8m/5 kg.

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Answer:

c. speed

Explanation:

Speedometer is a device used to measure the speed of a vehicle. I am pretty sure this is the correct option.

Answer:

false

Explanation:

Answer:

currrent will be halved

Explanation:

v = ir

v/r = i      multiply both sides by  1/ 2

v / (2r) = 1/2 i  

If the engine of a boat on a river is turned off while the boat is moving with a steady speed, several things would happen Loss of propulsion,Drifting,Loss of steering control and Potential hazards.

Loss of propulsion: Without the engine running, the boat would lose its power source for propulsion. The boat would gradually slow down and eventually come to a stop unless other external forces, such as currents or wind, continue to move it.

Drifting: Once the boat comes to a stop, it would start to drift with the current of the river or be affected by wind forces. The direction and speed of the drift would depend on the strength and direction of the current or wind.

Loss of steering control: When the engine is turned off, the boat's steering mechanism, such as a rudder, would also lose power. Without the ability to steer, the boat would follow the course determined by the river's current or the wind direction.

Potential hazards: Depending on the surroundings and the current conditions, there could be potential hazards for a boat that is no longer under power. These hazards might include other vessels, obstacles, shallow areas, or strong currents. The boat's crew would need to take appropriate actions to ensure the safety of the boat and its occupants.

It's important to note that the specific behavior of the boat after the engine is turned off can vary depending on factors such as the size and design of the boat, the strength and direction of the current, and the presence of wind or other external forces.
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Answer:

10s

Explanation:

Horizontal velocity is the velocity of an object in an horizontal direction

The ball's horizontal velocity is approximately 33.078 ft./s

Reason:

The known parameter are;

The horizontal distance the footballer kicks the ball, d = 43 yards

The time after which the ball lands, Δt = 3.9 seconds

Required:

To find the velocity of the ball

Solution:

\(Velocity = \dfrac{Distance}{Time} = \dfrac{d}{\Delta t}\)

Therefore;

\(Horizontal \ velocity \ of \ the \ ball, \ v_x= \dfrac{43 \ yard}{3.9 \ seconds} \approx 11.026 \ yd/s\)

The ball's horizontal velocity, vₓ ≈ 11.026 yd/s

1 yard = 3 feet

\(11.026 \ yard = 11.026 \ yard \times \dfrac{3 \ feet}{yard} = 22.078 \ feet\)

The ball's horizontal velocity, vₓ ≈ 33.078 ft./s

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In the experiment, place a ringing alarm clock inside a vacuum chamber, and observe that when the chamber is evacuated, the sound from the alarm clock cannot be heard, illustrating that sound does not travel through a vacuum.

To illustrate that sound requires a medium for its propagation and does not travel through a vacuum, you can perform the following experiment:

Take two identical bells or sound-producing devices and place them in separate chambers, one in a vacuum chamber and the other in a chamber filled with air.

Ensure that both chambers are isolated from external noise sources.

Activate the sound-producing devices simultaneously, creating sound waves in both chambers.

Observe and listen for the sound produced in each chamber.

In the chamber filled with air, you will hear the sound clearly, as air molecules transmit the sound waves, allowing them to propagate and reach our ears.

However, in the vacuum chamber, you will not hear any sound because there is no medium (such as air) for the sound waves to travel through. Without molecules to transmit the vibrations, the sound cannot reach our ears.

This experiment demonstrates that sound requires a medium, such as air or other substances, to propagate and be perceived by our ears. In a vacuum, where there is an absence of molecules, sound cannot travel.

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Answer:

deception

Explanation:

Answer:

A. I = 12/(10 + 20mH) = 0.545 A

B. Time constant = 20mH

C. I = 0.545 * (1 - e^(-10/20mH)) = 0.49 A

D. V = 12 - IR = 12 - (0.545 * 10) = 10.91 V

E. di/dt = 12/20mH = 0.6 A/s

F. It will take 3 time constants for the current to reach 99.4% of its maximum value.

Explanation:

Answer:

This is my answer

Explanation:

First convert 150 kPa to Pa:

150 × 1,000 = 150,000.

Next substitute the values into the equation:

force normal to a surface area = pressure × area of that surface.

force = 150,000 × 180.

force = 27,000,000 N.

1.First convert 150kPato Pa:

2.150 x 1,000 + 150,000

3.next substitute the values into the equations:

4.force normal to a surface area =pressure x area of that surface.

5.force=150,000 x 180.

6.force = 27,000,000N.

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The electron configuration of an element with atomic number 15 is 3s² 3p⁵.

The electron configuration of an element with atomic number 15 (which corresponds to the element phosphorus) can be determined by following the Aufbau principle and the Pauli exclusion principle. The Aufbau principle states that electrons occupy the lowest energy levels available, while the Pauli exclusion principle states that each orbital can hold at most two electrons with opposite spins.

Starting with the first energy level, we fill in the electrons for each subsequent energy level until we reach the 15 electrons of phosphorus: 1s² 2s² 2p⁶ 3s² 3p⁵

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Answer:

"Look at image"

Explanation:

A parallel circuit is one where the current can branch from a single path into multiple paths, or vice versa. In the schematic diagram I have drawn, the current originates from two cells on two different paths that eventually merge into one.

If this schematic diagram was a realistic model:

Answer:

Transcendentalism was greatly influenced by various philosophical and religious ideas, including:

German Idealism: Transcendentalism was heavily influenced by the works of German philosophers such as Immanuel Kant and Friedrich Schelling, who stressed the importance of the individual and the power of the human mind to comprehend the world.

Romanticism: Transcendentalists also drew on the ideas of the Romantic movement, which emphasized the importance of emotion, intuition, and imagination in the human experience.

American Romanticism: Transcendentalism was a product of the American Romantic movement, which rejected the materialism and commercialism of American society in the 19th century and sought to elevate the individual, nature, and spiritual experience.

Eastern philosophy and religion: Transcendentalists were influenced by the teachings of Hinduism and Buddhism, particularly the concept of transcendence, which emphasizes the individual's ability to transcend the limitations of the material world and connect with a higher spiritual reality.

Overall, transcendentalism was shaped by a diverse range of ideas and thinkers, reflecting its emphasis on individualism, intuition, and spiritual experience.

The acceleration of an hawk flying at 4m/s but later accelerates at 8m/s in 0.5s is 8m/s².

The acceleration of a moving body can be calculated using the following expression:

a = v - u/t

Where;

According to this question;

a = 8 - 4/0.5

a = 4/0.5

a = 8m/s²

Therefore, the acceleration of an hawk flying at 4m/s but later accelerates at 8m/s in 0.5s is 8m/s².

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what are the options???????????

Answer: The rock

Explanation:

The correct answer is B. Observations had led to the belief that the Sun, Moon, and stars revolved around Earth.

The geocentric model, which placed Earth at the center of the universe with the Sun, Moon, and stars revolving around it, was widely accepted until the 16th century for several reasons. One of the primary reasons was that observations seemed to support this view. For example, it was observed that the stars appeared to move across the sky in a circular path, and it was assumed that this was due to their motion around Earth. Similarly, the Sun and Moon appeared to rise and set each day, which was consistent with their motion around Earth.

The geocentric model was consistent with the prevailing philosophical and religious beliefs of the time, which held that Earth was a special and unique place at the center of the universe. It was not until the development of the heliocentric model, which placed the Sun at the center of the solar system, and the refinement of astronomical observations, that the geocentric model was gradually abandoned.
The correct option is B. Observations had led to the belief that the Sun, Moon, and stars revolved around Earth.

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Answer:

Earth would suddenly warm up because more heat from the Sun would be allowed to enter the atmosphere.

Explanation:

The greenhouse gasses would make the ozone layer thinner letting in more harmful rays on the sun.

Hope this helps!! :)

Also I need one more brainliest if you dont mind giving it to me :)

Answer:

Earth would cool down because it would reflect more solar radiation.     it would be A.

Explanation:

Answer:

The speed of a wave is equal to the wavelength divided by the period. The wavelength is the distance between two consecutive nodes, and the period is the time it takes for one complete cycle of the wave.

In this case, the wavelength is 6 m and the period is 0.2 s. Therefore, the speed of the wave is 30 m/s.

The answer is 30 m/s.

Explanation:

The parent should push vertically downward at a distance of 4.66 m from the pivot point in order to hold teeter-totter level.

Force can be a push or a pull that is always with magnitude and direction.

As, Fp × x - Mg × d - mc × (L - x) = 0

Fp is force applied by the parent, x is distance from the pivot point to the point where the parent applies force, Mg is weight of the teeter-totter, mc is the weight of the child, and L is length of the teeter-totter.

Fp × x - (38 kg × 9.81 m/s²) × 2.6 m - (19 kg × 9.81 m/s²) × (5.2 m - x) = 0

Fp × x - 976.68 N × m - 185.58 N × m + 183.39 N × m = 0

Fp × x = 978.87 N × m

x = 978.87 N × m / Fp

So, x = 978.87 N × m / 210 N = 4.66 m

Therefore, the parent should push vertically downward at a distance of 4.66 m from the pivot point in order to hold the teeter-totter level.

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Answer:

Star 1 2 hours

35

Explanation:

Answer:

the answer would be 35 degrees :))))

Explanation:

it was the correct on the quiz,,, good luckk :3!!

Answer:

here

Explanation:

Equilibrium is a state of a system which does not change. ... An equilibrium is considered stable (for simplicity we will consider asymptotic stability only) if the system always returns to it after small disturbances. If the system moves away from the equilibrium after small disturbances, then the equilibrium is unstable.

Answer:

68.9233231661

Explanation:

Just put it into your calculator, shift sin should do it but it will come up like this: \(sin^{-1}\) which is the same as arcsin