What does a power source act like?

Answer:

Kinetic  energy = 98 N

Explanation:

Given:

Mass = 5 kg

Height = 2 m

Find:

Kinetic  energy

Computation:

K(e) = P(e)

So,

P(e) = mgh

So,

K(e) = (5)(9.8)(2)

Kinetic  energy = 98 N

This question involves the concepts of electric potential, charge, and distance.

The electric potential is "48 V".

The electric potential of a point in the vicinity of a charge is given by the following formula:

\(V=\frac{kq}{r}\)

where,

Therefore,

\(V = \frac{(9\ x\ 10^9\ Nm^2/C^2)(1.6\ x\ 10^{-19}\ C)}{3\ x\ 10^{-11}\ m}\)

V = 48 volts

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Answer:

175

Explanation:

its for Acellus

The potential difference is V=1.743*10^-7

The voltage is generally referred to as the electric potential difference and  it can be measured using a voltmeter. The electrical potential difference between the two plates is expressed as q=CV.

CALCULATION

we know,

q=CV

q={EA/d}*V

here q= 5.24*10^-8C

       A=8.22*10^-5m^2

       d=2.42*10^-8m

therefore , C={( 8.85*10^-12)*(8.22*10^-5)}/(2.42*10^-8)

                 C=3.006*10^-1

q=CV

q/C=V

V=1.743*10^-7

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After touching a negatively charged conductor to the ground, the excess electrons flow from the conductor to the ground, neutralizing it. When the ground is pulled away, the conductor retains its original negative charge.

In physics, a conductor is a material that allows the flow of electric current through it. In conductors, the outermost electrons of the atoms are loosely bound and can move easily from one atom to another, creating a flow of electricity. Metals, such as copper and aluminum, are excellent conductors due to their low resistance to the flow of electric charge. Other materials such as electrolytes, graphite, and some solutions can also conduct electricity.

Conductors are essential components in electrical circuits and are used in a wide range of applications, including power transmission, electronics, and lighting. They are also used in electrical grounding systems to protect buildings and equipment from electrical damage caused by lightning strikes or power surges.

Conductors can be charged positively or negatively by gaining or losing electrons. When a negatively charged conductor is touched to the ground, the excess electrons will flow into the earth, neutralizing the charge on the conductor. When the ground is removed, the conductor will have the same negative charge it had before being grounded.

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Answer:

I think its uniform I dont really know

Answer:

(a) The total weight of the climber is equal to her mass multiplied by the acceleration due to gravity. Therefore, W = mg = 62 kg x 10 m/s^2 = 620 N.

(b) The two conditions needed for equilibrium are that the net force acting on the climber is zero and the net torque acting on the climber is zero.

(c)(i) The moment about her feet due to her weight is equal to the weight of the climber multiplied by the distance between her feet and the cliff. Therefore, M = W x d = 620 N x 0.9 m = 558 Nm.

(ii) To determine the tension in the rope, we need to resolve the forces acting on the climber in the horizontal and vertical directions. In the horizontal direction, the tension in the rope is balanced by the force of friction between the climber's feet and the cliff. Therefore, T = F.

In the vertical direction, the climber's weight is balanced by the normal force of the cliff and the tension in the rope. Therefore, N + Tcos(60) = W.

Since the climber is in equilibrium, the net torque acting on her must be zero. Therefore, the torque due to the tension in the rope must be equal and opposite to the torque due to the climber's weight. Therefore, Tsin(60) x 1.2 = M.

Substituting the values we have, we get:

N + Tcos(60) = W

Tsin(60) x 1.2 = M

Solving for T, we get:

N = W - Tcos(60) = 620 N - T(0.5)

Substituting this into the second equation, we get:

Tsin(60) x 1.2 = M

Tsin(60) = M / 1.2 = 558 Nm / 1.2 m = 465 N

Substituting this value of T into the first equation, we get:

N = 620 N - T(0.5) = 620 N - 465 N(0.5) = 388 N

Therefore, the tension in the rope is 465 N and the normal force of the cliff on the climber is 388N

epidermal layer is made of basal cell layer that are consulting dividing

Answer: The correct option would be (Put it in the refrigerator)

Explanation: Have a good day :)

Answer:

C

Explanation:

Decreasing its temp decreases particle movement

Answer:

0.18 A or 180 mA

Explanation:

\(I=\frac{V}{R} =\frac{9}{50} =0.18\)

I hope this help you

In order  to make the electromagnet lift more paperclips, the group can add more wraps of wire around the nail; option D

Electromagnets are materials that work on the principle of electromagnetism.

Electromagnets possess both electric and magnetic properties and are produced as a result of the interaction of the electrical and magnetic fields.

The strength of electromagnets area affected by the following:

The rate of change of flux changeinresilience the field - the strength of electromagnets increases with electromagnetsincreasethe change in the rate of change of flux

the number of turns of the coil - the greater the turn of the ring, the stronger the electromagnetic field produced.

the material of the core - when the material of the core is made of good conductors, the strength of the electromagnetic field produced increases.

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Answer:

Its true i'm pretty sure

Explanation:

Answer:

The answer is True

Explanation:

because it is and I suck at explaining

Among the given options, Solar panels are a way in which the Solar energy can be harnessed.

Solar panels are devices that capture sunlight and convert it into electricity. They are made up of photovoltaic cells that convert the sun's energy into electrical energy. Solar panels, also known as PV panels, are commonly found on rooftops or in open fields where they can absorb a lot of sunlight. Nuclear fission, tidal movements, and wind are not related to the sun's energy. Nuclear fission is the splitting of atoms to produce energy, while tidal movements are caused by the gravitational pull of the moon and the sun. Wind energy, on the other hand, is generated by the movement of air currents caused by temperature differences in the atmosphere.

Therefore, the correct answer is Solar panels.

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Answer:

An open circuit is one where the continuity has been broken by an interruption in the path for current to flow. A closed circuit is one that is complete, with good continuity throughout

Answer:

Temporary? You have two options

If you have a positively charged object, bring it close to the LEFT side of the ball (not touching it!).

If you have a negatively charged object, bring it close to the RIGHT side of the ball (again, not in contact).

Either way, the electron cloud will migrate towards the right side of the of your sphere.

Another option is to have a capacitor large enough to house the sphere inside it, and polarize it by attaching it to a DC source making sure that the negative plate of it is to the right of the sphere.

The magnitude of the electric dipole moment is 9.30 × 10⁻¹⁰ Cm.

A dipole is an electrically charged object with a positive charge at one end and a negative charge at the other end. The term "dipole" refers to the separation of electric charge, with the positive and negative charges being located at opposite ends of the object. Dipoles are a fundamental concept in the study of electric and magnetic fields and have many applications in physics, chemistry, and engineering. For example, a water molecule can be considered a dipole, with the positive end being the hydrogen atom and the negative end being the oxygen atom. Dipoles also play a crucial role in chemical bonding and molecular interactions.

The magnitude of the electric dipole moment (p) can be calculated using the formula:

p = Q * d

where Q is the magnitude of the charges and d is the separation between the charges.

Plugging in the given values:

p = 1.50 nC × 6.20  = 9.30 × 10⁻¹⁰ Cm

So, the magnitude of the electric dipole moment is 9.30 × 10⁻¹⁰ Cm.

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The drawing shows the couple acting on a tire wrench is missing and so i have attached it.

We are to find an expression for the torque when the axis is perpendicular to the tire and passes through the points A, B & C

Answer:

Point A: τ = Fl

Point B: τ = 0

Point C: - Fl

Explanation:

Formula for torque is;

τ = F × d

Where;

F is perpendicular force

d is distance.

Thus;

> At point A, it means we are taking torque about point A and so we have;

τ = (-F × 0) + (F × L)

τ = Fl

> At point B, it means we are taking torque about point B and so we have;

τ = (-F × L/2) + (F × L/2)

τ = -(FL/2) + (FL/2)

τ = 0

> At point C, it means we are taking torque about point C and so we have;

τ = (-F × L) + (F × 0)

τ = -FL

Answer:

Jesus

Explanation:

he is the way

Answer:

ans for A)

Ball A being negatively charged and Ball B being neutral

when they come into contact.... electrons from the ball A will transfer to ball B and since they are covered by an electrical conductor... their contact will form a joint pathway for electric charge to be transferred to another object.

Answer: i think A

Explanation:

Answer:

Anyone can sit in a corner office and delegate tasks, but there is more to effective leadership than that. Effective leaders have major impacts on not only the team members they manage, but also their company as a whole. Employees who work under great leaders tend to be happier, more productive and more connected to their organization – and this has a ripple effect that reaches your business's bottom line

Explanation:

:)

Answer:

Explanation:

Therefore, the unit of speed is the meter per second, or m/s. The unit meter per second is called a derived unit, meaning that it is derived from the seven SI base units.

Answer:

Derived SI Units

Explanation

In physics there are many quantities that cannot be expressed by a single base unit. ... Therefore, the unit of speed is the meter per second, or m/s. The unit meter per second is called a derived unit, meaning that it is derived from the seven SI base units.

A. The vertical component of the shell’s muzzle velocity is 312.5 m/s

B. The horizontal component of the shell’s muzzle velocity is 541.3 m/s

C. The shell’s maximum height is 4982.5 m

D. The time taken to reach its peak (maximum height) is 31.9 s

A. How do I determine the vertical component of the velocity?

The vertical component of the velocity can be obtained as follow:

Vertical component of velocity = u × Sine θ

Vertical component of velocity = 625 × Sine 30

Vertical component of velocity = 312.5 m/s

B. How do I determine the horizontal component of the velocity?

The horizontal component of the velocity can be obtained as follow:

Horizontal component of velocity = u × Cosθ

Horizontal component of velocity = 625 × Cos30

Horizontal component of velocity = 541.3 m/s

C. How do I determine the maximum height?

The maximum heigth can be obtained as illustrated below:

H = u²Sine²θ / 2g

H = [(625)² × (Sine 30)²] / (2 × 9.8)

H = 4982.5 m

D. How do I determine the time taken to reach the peak?

t = uSineθ / g

t = (25 × Sine 306) / 9.8

t = 31.9 s

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The output power in mW is 3.98 mW. In this communication system, the input power is 100 mW, and the system has a total gain of 20 dB and a total loss of -13 dB.

For calculating the output power, first, convert the gain and loss values from dB to a linear scale.

The gain of 20 dB can be converted to a linear scale using the formula:

\(Gain (linear scale) = 10^{(Gain (dB) / 10)}.\)

So,\(Gain (linear scale) = 10^{(20/10)} = 100.\)

Similarly, the loss of -13 dB can be converted to a linear scale using the formula:

\(Loss (linear scale) = 10^{(Loss (dB) / 10)}.\)

So,\(Loss (linear scale) = 10^{(-13/10)} = 0.0501.\)

Now, calculate the output power by multiplying the input power by the gain and dividing it by the loss.

Output power = (Input power) * (Gain (linear scale) / Loss (linear scale))

= 100 * (100 / 0.0501) = 3.98 mW.

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The purpose of this lab is to investigate and understand the processes and factors involved in the formation of the solar system.

By conducting experiments and analyzing data, we aim to gain insights into the origin of our planetary system, including the formation of the Sun, planets, moons, asteroids, and comets.

Through this lab, we seek to explore various theories and models proposed by scientists to explain the formation of the solar system. This involves studying concepts such as the nebular hypothesis, accretion, gravitational collapse, and planetary differentiation.

By conducting experiments and simulations, we can recreate some of the conditions that existed during the early stages of the solar system's formation and observe the outcomes.

Additionally, this lab allows us to understand the composition, structure, and dynamics of the solar system through the analysis of meteorites, lunar samples, and remote sensing data from space missions.

By examining these samples and data, we can draw conclusions about the processes that occurred billions of years ago, shedding light on the formation and evolution of our cosmic neighborhood.

Ultimately, the goal of this lab is to provide a deeper understanding of the origins of our solar system, enabling us to comprehend the broader context of our existence and the unique characteristics of our celestial surroundings.

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During an action potential  channels , the correct order of opening of voltage-gated channels is as follows: first, the voltage-gated Na+ channels open, allowing the influx of Na+ ions and leading to depolarization. This is followed by the opening of voltage-gated K+ channels, which allow the efflux of K+ ions and repolarization.

Finally, voltage-gated Ca2+ channels may also open in certain cells, allowing the influx of Ca2+ ions and contributing to various cellular processes such as neurotransmitter release or muscle contraction. "Voltage" refers to the difference in electrical potential between two points, while "potential" generally refers to the energy stored in an object or system. "Channels" in this context refer to the specialized proteins that form pores in the cell membrane and allow the selective passage of ions or other molecules.
The correct order of opening of voltage-gated channels during an action potential is

1. Voltage-gated sodium channels open, allowing sodium ions to flow into the cell.
2. Voltage-gated potassium channels open, allowing potassium ions to flow out of the cell.

This sequence of events leads to a rapid change in membrane potential, resulting in the propagation of the action potential along the neuron.

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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:

36 watts

Explanation:

Power = V I

          = 9 * 4 = 36 watts

Answer:

P = 36 W

Explanation:

Given that,

→ Potential difference (V) = 9 V

→ Current (I) = 4 A

→ Power (W) = ?

Formula we use,

→ P = V × I

Let's solve the problem,

→ P = V × I

→ P = 9 × 4

→ [ P = 36 ]

Hence, the power is 36 watts.

Answer:

22Km/sec

Explanation:

The capacitance of a capacitor is the ratio between the charge and potential difference applied across the conductor.

The capacitor is the device used to store electrons in the form of electrical energy. The charge on the capacitor is directly proportional to the applied voltage between two conductors.

Q = CV, where Q is the charge on the capacitor, C is the capacitance of the conductor and V is the applied voltage. The two capacitors can be connected in series and parallel combinations.

In parallel combinations, the capacitance C is given as

Q/V = C₁+C₂

In series combination, the capacitance C is given as,

V/Q = (1/C₁ + 1/C₂).

Thus, for a pair of capacitors, the capacitance is C=Q/V.

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A positive charge projected along a current-carrying solenoid's axis experiences no resistance since the charge in solenoid B is along the axis so V x B equals 0

Only the magnetic force's direction is impacted by the wire's current flow direction. Wires attract one other when the current flowing through them is going in the same direction; otherwise, they repel one another.

The wires are attracted to one another if the wires' current flows in the same direction. The Ampère's right-hand grip rule can be used to estimate the direction of the magnetic field that will form around each wire carrying electric current.

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