Electrons moving through the circuit in the attached figure will go through the resistor
A. go from a tob.
B. go from b to a.

Technology and science support one another's advancement. New technologies are developed using scientific knowledge. New technology frequently enable scientists to examine nature in novel ways and generate novel findings.

By introducing a new area of scientific inquiry, a change in technology can have an impact on our understanding of science. For instance, the development of the microscope allowed biologists to study species that were invisible to the eye, resulting in the development of the field of microbiology.

Building new technologies with the use of scientific information frequently leads to new observations being made about the world, which in turn leads to the development of even more scientific knowledge.

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No option , The curler apply to the stone to bring it up to speed is  42.85 N.

F = 20*3/1.4 = 42.85 N

3 *3 = 2*u*9.8*40

u = 0.0114

Despite their similarities, distance and displacement have very different meanings, as do speed and velocity. Speed, a scalar quantity, describes "how quickly an object is travelling." You can think of speed as the rate at which an object travels a distance. An object moving quickly has a high speed and travels a fair distance in a brief period of time. In contrast, a slow-moving object travels a comparatively short distance in the same amount of time because of its low speed. Zero speed refers to an object that is completely stationary.

[Speed = Distance Time] is the general formula for calculating an object's speed. The SI speed unit is m/s.

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During exercise, the major mechanism of heat loss is evaporation of sweat from the skin. Sweat evaporation is a thermoregulatory process that allows humans to maintain a relatively constant internal body temperature when engaging in exercise.

As a result of exercise, metabolic heat is generated. When the internal temperature rises, thermoreceptors in the hypothalamus are activated, causing sweat glands to be stimulated through sympathetic nerve fibers.The sweat produced then evaporates off the skin and removes the heat generated by exercise, thus cooling the body. However, sweat evaporation is only effective in removing heat if the ambient temperature is lower than the skin temperature. If the ambient temperature is higher than the skin temperature, then sweat cannot evaporate, and heat will not be removed from the body. Other mechanisms of heat loss, such as conduction, convection, and radiation, are less important than sweat evaporation during exercise.

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Answer:

sunspots

Sunspots are areas in the sun that has a magnetic field is about 2 thousand times stronger than Earth's. Also is much higher than anywhere else on the Sun.

Answer:

Explanation:

The only one that doesn't have a time unit that is squared is the one that is a label for speed or velocity. Acceleration has a label with the time unit squared, like m/s/s. Choice D is the only unit for speed/velocity.

Answer: D

Explanation: metres per second (m/s)

Answer:

5.89 m/s

Explanation:

Given:

Δy = 1.77 m

v₀ = 0 m/s

a = 9.8 m/s²

Find: v

v² = v₀² + 2aΔy

v² = (0 m/s)² + 2 (9.8 m/s²) (1.77 m)

v = 5.89 m/s

Explanation: Research highlights the individuals with ASDS are nutritionally vulnerable because they exhibit a selective or pick eating pattern and sensory sensitivity that predisposes them to restricted intakes.

I hope this helps!

The weight of the baseball is 1.47 N.

Weight is the gravitational pool of a body or an object.

To calculate the weight of the body, we use the formula below.

Formula:

Where:

From the question,

Given:

Substitute these values into equation 1

Hence, the weight of the baseball is 1.47 N.

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A person who can see clearly up close but cannot focus on objects beyond 80.0 cm is nearsighted and she is needed diverging type of lens to correct her vision. 1.25focal length contact lens is needed, and −1.25 D is its power in diopters.

Myopia or nearsightedness , a disease that affects many people, causes near objects to appear clear while far distant objects to appear blurry.

According to given data :

The distance she can she is 80 cm=0.8 m

She needs to correct it to the distinct vision=infinity.

To find the power of the lens

Use the following formula

⇒ 1/-0.8-1/∞=1/d

⇒ 1/d=-1.25

⇒ P = 1/d

⇒ P=−1.25 D

Now to find the focal length we know that P=1/f

Hence,

⇒ f=1/P

⇒ f=1/-1.25

⇒ f=1.25

Hence 1.25focal length contact lens is needed, and −1.25 D is its power in diopters.

Hence, a person who can see clearly up close but cannot focus on objects beyond 80.0 cm is nearsighted (Myopia) and she is needed diverging type of lens to correct her vision. 1.25focal length contact lens is needed, and −1.25 D is its power in diopters.

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The ratio of time of flight for inelastic collision to elastic collision is 1:2

The given parameters;

Considering inelastic collision, the final velocity of the system is calculated as;

\(m_1u_1 + m_2u_2 = v(m_1 + m_2)\\\\m_1u_1 + 0 = v(m_1 + m_2)\\\\v= \frac{m_1u_1}{m_1 + m_2} \ -- (1)\\\\\)

The time of motion of the system form top of the table is calculated as;

\(v = u + gt\\\\v = 0 + gt\\\\v = gt\\\\t= \frac{v}{g} \\\\t_A = \frac{m_1u_1}{g(m_1 + m_2)} \ \ ---(2)\)

Considering elastic collision, the final velocity of the system is calculated as;

\(m_1u_1 + m_2 u_2 = m_1v_1 + m_2v_2\\\\m_1u_1 + 0 = m_1v_1 + m_2v_2\\\\m_1 u_1 = m_1v_1 + m_2v_2\)

Apply one-directional velocity

\(u_1 + (-v_1) = u_2 + v_2\\\\u_1 -v_1 = 0 + v_2\\\\v_1 = v_2 -u_1\)

Substitute the value of \(v_1\) into the above equation;

\(m_1u_1 = m_1(v_2 - u_1) + m_2 v_2\\\\m_1u_1 = m_1v_2 -m_1u_1 + m_2v_2\\\\2m_1u_1 = m_1v_2 + m_2v_2\\\\2m_1u_1= v_2(m_1 + m_2)\\\\v_2 = \frac{2m_1u_1}{m_1+ m_2} \ --(3)\)

where;

\(v_2\) is the final velocity of the block after collision

Since the bullet bounces off, we assume that only the block fell to the ground from the table.

The time of motion of the block is calculated as follows;

\(v_2 = v_0 + gt\\\\v_2 = 0 + gt\\\\t = \frac{v_2}{g} \\\\t_B = \frac{v_2}{g} \\\\ t_B = \frac{2m_1u_1}{g(m_1 + m_2)} \ \ ---(4)\)

The ratio of time of flight for inelastic collision to elastic collision is calculated as follows;

\(\frac{t_A}{t_B} = \frac{m_1u_1}{g(m_1 + m_2)} \times \frac{g(m_1 + m_2)}{2m_1u_1} \\\\\frac{t_A}{t_B} = \frac{1}{2} \\\\t_A:t_B = 1: 2\)

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\(\huge\mathfrak\red {Answer:}\)

If a train travelled 500 meters in 25 seconds then,

Speed = 500m/25sec

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speed=500m/25sec

20m/sec

Answer:

c. prone; supine

Explanation:

The density in units of grams per milliliter is 1.0026 g/ml.

Density is the measurement of how tightly a material is packed together.

Density = mass/volume (kg/m³)

Density = 2.09 lb/quart

1 pound = 0.454 kg = 454 g

1 quart = 946.353 ml

Conversion of the weight in lb/ml to grams per milliliter (g/ml)

= 2.09 lb/quart x  454 g/lb x (1 quart / 946.353 ml)

= 1.0026 g/ml

Thus, the density in units of grams per milliliter is 1.0026 g/ml.

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The displacement of the object is determined as 3.0 m.

The displacement of an object is the change in the position of the object.

displacement = Δx = xf - xi

where;

Δx = xf - xi

Δx = 8.0 m - 5.0 m

Δx = 3.0 m

Thus, the displacement of the object is determined as 3.0 m.

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The work-energy theorem is a fundamental principle in physics that relates the work done on an object to its change in kinetic energy.

The theorem states that the net work done on an object is equal to its change in kinetic energy:

Net Work = Change in Kinetic Energy

In other words, the work-energy theorem tells us that the work done on an object is equal to the change in its kinetic energy. If work is done on an object, its kinetic energy will change by an amount equal to the work done. Conversely, if the kinetic energy of an object changes, it must be due to work being done on the object.

The work-energy theorem applies to both conservative and non-conservative forces. For conservative forces, the work done depends only on the initial and final positions of the object, and not on the path taken between them.

For non-conservative forces, such as friction, the work done depends on the path taken and may result in a loss of mechanical energy.

The work-energy theorem is a powerful tool for analyzing and solving problems in physics, and it is widely used in many fields, including mechanics, thermodynamics, and electromagnetism.

It allows us to relate the work done on an object to its resulting motion and energy changes, providing a comprehensive picture of the physical system under consideration.

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Explanation:

\(centripetal \: force = \frac{m {v}^{2} }{r} \)

Centripetal force = 45 * 2 = 90 N

Therefore, centripetal force acting on a 45 kg boy riding in one of the cars when the car is on the top of the ferris wheel is 90 N.

The force exerted by the seat on the boy when the car is at the top of the ferris wheel is a centrifugal (pseudo force) acting (since the since the seat is in non- inertial frame) in exact opposite direction (Outwards) as the centripetal force and is equal in magnitude.

Answer:

The is answer C

Explanation:

The electrons are always on the outside and the positive are in the inside the nucleus

and the neutron are in the inside.

Answer:

the correct option is C

Explanation:

in the orbitals that surrounds the nucleus .

thank you.

The correct answer is option D. It will remain the same.

Soft tissues are the tissues that connect and surrounds an organ. They are called soft tissues because they are very soft in nature.

These are not hardened by the process of ossification or calcification such as bone or teeth.

The most common soft tissues are muscles, ligaments, tendons or fascia.

Since they are very soft so they can cause severe damages or injuries.

To know about these, there are many types of waves used these days.

Such waves are then used to detect any problem by making it propagate through the tissues.

These waves have their own frequency and wavelength.

The propagation speed is the speed of wave at which any wave can move freely in a space.

The propagation speed is influenced by many factors. But frequency is not one of them.

Even if the frequency is changed, it won't affect the propagation speed as the propagation speed can only be affected by the stiffness and density of a medium.

Hence, option D is the correct option.

In soft tissues, if the frequency of a wave is increased, the propagation speed will remain the same.

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Answer:

more than food. They’re complex mental health conditions that often require the intervention of medical and psychological experts to alter their course.

These disorders are described in the American Psychiatric Association’s Diagnostic and Statistical Manual of Mental Disorders, fifth edition (DSM-5).

In the United States alone, an estimated 20 million women and 10 million men have or have had an eating disorder at some point in their life (1).

This article describes 6 of the most common types of eating disorders and their symptoms.

Answer: Anorexia Nervosa

Explanation:

Answer:

for the first time in the future of our games are based on your car advertising

Explanation:

for the first time in the fhgvhbgj tire and wheel drive automatic captions and subtitles for the first time in the future of our games of

The displacement amplitude for sound waves with a frequency of 1000 Hz and a pressure amplitude of 3.0×10^(-2) Pa in air is approximately 3.3332×10^(-6) m.

To determine the relationship between the displacement amplitude and pressure amplitude of sound waves, we can use the formula for sound intensity:

I = (1/2) * ρ * v * A^2

Where:

I is the sound intensity

ρ is the density of the medium (in this case, air)

v is the velocity of sound in the medium

A is the displacement amplitude

Given:

Frequency (f) = 1000 Hz

Displacement amplitude (A) = 1.2×10^(-8) m

Pressure amplitude (P) = 3.0×10^(-2) Pa

Velocity of sound (v) = 344 m/s

First, we need to find the density of air (ρ). The density of air at standard conditions is approximately 1.225 kg/m^3.

Next, we can rearrange the formula for sound intensity to solve for the displacement amplitude (A):

I = (1/2) * ρ * v * A^2

A^2 = (2 * I) / (ρ * v)

A = √((2 * 3.0×10^(-2)) / (1.225 * 344))

A ≈ 3.3332×10^(-6) m

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(a) The maximum speed of emitted electrons is 5.67 x 10^−19 J

(b) The work function is 2 x 10^-19 eV and the metal is Cesium

It is given that

Wavelength of light = 350 nm

We have to find maximum speed and work function

(a)

We use the energy of a photon equation, which states that,

E = hf

h is Planck's constant, which is

h = 6.62 x 10^-34 Js

f is the frequency in hertz

So here:

f = c/λ

f = 3*10^8 m/s/3.5*10^-7 m

f = 8.57 x 10^14 Hz

E = 6.62 x 10^-34 Js x 8.57 x 10^14 Hz

E = 5.67 x 10^−19 J

(b)

Work Function = eVs where Vs is the stopping potential.

Vs = 1.25 V

e = 1.6 x 10^-19 C

Work function = 1.6 x 10^-19 C x 1.25 V

Work function = 2 x 10^-19 eV

Hence, the Cesium is the metal whose work function is 2 x 10^-19 eV

Maximum speed of emitted electrons is 5.67 x 10^−19 J

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Answer:

The light traveling in any one direction in a straight line is called a ray of light. A group of light rays given out from a source is called a beam of light.

Explanation:

Candle and electric bulbs. The rays coming out from the candle and electric bulb is divergent beam of light.A beam of light is made up of bundles of closely spaced parallel rays.

please give me brainiest

Answer:

The light going in any one course orderly is known as a beam of light. A light beam gathering from a source is known as light emission.

That's the definition of a beam of light.

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Answer:

this ans is 42.85

Explanation:

i dont not explain but i hipe you get it

In Activity 1-1, we will make a variety of observations to determine whether like or unlike charges attract each other. We will start by observing the behavior of objects with the same charge,

such as two positively charged balloons or two negatively charged balloons. If they repel each other, we can conclude that like charges repel. Similarly,

we will observe the behavior of objects with opposite charges, such as a positively charged balloon and a negatively charged balloon. If they attract each other, we can conclude that unlike charges attract.

We will also test these observations by changing the charges of the objects, such as by rubbing a balloon on a sweater to give it a charge. Through these observations, we will be able to determine the behavior of like and unlike charges and how they interact with each other.

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The given series, 1 + 7n Σ 57 n = 1, is divergent because the terms in the series continue to increase without bounds, the sum of the series also increases indefinitely.

To determine the convergence or divergence of the series, we can analyze its behaviour as n approaches infinity. The series can be written as Σ(1 + 7n*57) for n = 1 to infinity. By simplifying the expression, we have Σ(399n + 1) for n = 1 to infinity.

As n increases, the summand of the series grows linearly with a coefficient of 399. Since the coefficient is nonzero and positive, the series will diverge. This means that the sum of the series will not approach a finite value as n tends to infinity.

Therefore, the given series is divergent, and we cannot find its sum. It is important to note that a divergent series does not have a finite sum. Therefore, the sum of the given series is "DIVERGES."

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The thermal efficiency of the engine is 40%. The correct answer is (a).

The thermal efficiency of a heat engine is given by:

efficiency = (net work output) / (heat input)

We are given the heat input rate as 500 kW and the heat output rate as 300 kW. The net work output rate can be found by subtracting the heat output rate from the heat input rate:

net work output = heat input - heat output = 500 kW - 300 kW = 200 kW

Substituting these values into the efficiency equation, we get:

efficiency = 200 kW / 500 kW = 0.4 = 40%

Option a is correct.

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Change in momentum formula

The change in momentum resulting from an external force is called the impulse (I=mv-mvo) and is related to the force applied through the Impulse-Momentum Theorem: I = F tc = mv - mvo . Here F is the external force applied and tc is the amount of time the force is in contact with the object.

The final velocity ( Vf ) of the cart at rest is : 0.5 m/s

Change in momentum of the objects  = m₁ * ΔV = m₂ * ΔV --- ( 1 )

Given that momentum ( p ) = m * v

where ; m₁ = 10 kg , p = 10 kg.m/s , v = ?

calculate for v

v = p/m = 10 kg.m/s / 10 kg

            = 1 m/s

Back to equation ( 1 )

= 10 * ( 1 m/s ) =  20 * ( Vf - )

= 10 = -20 Vf  

therefore Vf ( final velocity of cart at rest ) = 10 / 20

                                                                      = 0.5 m/s

Hence we can conclude that The final velocity ( Vf ) of the cart at rest is : 0.5 m/s

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