1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
kicyunya [14]
3 years ago
11

What is the force felt by the electrons and the nuclei in the rod when the external field described in the problem introduction

is applied? (Ignore internal fields in the rod for the moment.)A) Both electrons and nuclei experience a force to the right.
B) The nuclei experience a force to the right and the electrons experience a force to the left.
C) The electrons experience a force to the left but the nuclei experience no force.
D) The electrons experience no force but the nuclei experience a force to the right.
Physics
1 answer:
evablogger [386]3 years ago
6 0

Answer: (B). nuclie experiences a force to the right and electron experiences a force to the left.

Explanation: The nuclie is positively charged and so it will experience a force in the same direction as the direction of the Electric Field {in this case to the right}

On the otherhand, the electrons which are negatively charge will experience a force in opposite direction to that experienced by the nuclie which is positively charged. So the electron experiences a force to the left.

I believe this is clear.

You might be interested in
Describe what happens to radiant energy once it enters the atmosphere? How does Radiant energy cause weather?
Triss [41]
Once energy from the Sun gets to Earth, several things can happen to it:

Energy can be scattered or absorbed by aerosols in the atmosphere. Aerosols are dust, soot, sulfates and nitric oxides. When aerosols absorb energy, the atmosphere becomes warmer. When aerosols scatter energy, the atmosphere is cooled.
Short wavelengths are absorbed by ozone in the stratosphere.
Clouds may act to either reflect energy out to space or absorb energy, trapping it in the atmosphere.
The land and water at Earth's surface may act to either reflect energy or absorb it. Light colored surfaces are more likely to reflect sunlight, while dark surfaces typically absorb the energy, warming the planet.
Albedo is the percentage of the Sun's energy that is reflected back by a surface. Light colored surfaces like ice have a high albedo, while dark colored surfaces tend to have a lower albedo. The buildings and pavement in cities have such a low albedo that cities have been called "heat islands" because they absorb so much energy that they warm up.
6 0
3 years ago
Una cuerda de 20 pies se estira entre dos arboles. Un peso W cuelga del centro de la cuerda hace que el punto medio de la misma
Galina-37 [17]

Answer:

La magnitud de la masa del peso es 78.447 libras-masa.

Explanation:

La tensión es una fuerza de reacción de la cuerda causada por la acción de una fuerza externa. En este caso, esa fuerza externa es el peso que cuelga en el centro de la cuerda. Abajo hemos adjuntado una representación simplificada del enunciado.

Por las leyes de Newton, tenemos la siguiente ecuación de equilibrio conformada por tres fuerzas:

\vec T_{1} + \vec T_{2} + \vec W = (0, 0)\, [N] (1)

Donde:

\vec T_{1}, \vec T_{2} - Tensiones a cada lado de la cuerda, en newtons.

\vec W- Peso, en newtons.

Si sabemos que \vec T_{1} = T\cdot (\cos \alpha, \sin \alpha), \vec T_{2} = T\cdot (-\cos \alpha, \sin \alpha) y \vec W = W\cdot (0, -1), entonces tenemos la siguiente ecuación vectorial:

T\cdot (\cos \alpha, \sin \alpha) + T\cdot (-\cos\alpha, \sin \alpha) + W\cdot (0, -1) = (0,0)

T\cdot (0, 2\cdot \sin \alpha) = W\cdot (0, 1)

Esto permite reducir la anterior expresión a una fórmula escalar:

2\cdot T\cdot \sin \alpha = W

Donde \alpha es el ángulo de inclinación de la cuerda, medido en grados sexagesimales.

El ángulo de inclinación de la cuerda se determina mediante la siguiente fórmula trigonométrica inversa es:

\alpha = \tan^{-1} \left(\frac{2\,ft}{10\,ft}\right)

\alpha \approx 11.310^{\circ}

Si conocemos que \alpha \approx 11.310^{\circ} y T = 200\,lbf, entonces la magnitud del peso es:

W = 2\cdot (200\,lb)\cdot \sin 11.310^{\circ}

W \approx 78.447\,lbf

En el Sistema Imperial, las fuerzas son medidas en forma gravitacional, entonces la magnitud de la fuerza gravitacional del peso equivale a la magnitud de su masa. En síntesis, la magnitud de la masa es 78.447\,lbm.

La magnitud de la masa del peso es 78.447 libras-masa.

7 0
3 years ago
What is an example of a chemical change that occurs as part of the rock cycle
kotykmax [81]
I am crossed between A and D but i think A is the correct one.
5 0
3 years ago
Read 2 more answers
What is the average speed between 5 seconds and 15 seconds?
hichkok12 [17]

Answer:

10 seconds

Explanation:

We can calculate the average speed by finding the total distance traveled divided by the elapsed time: Average speed=–s=Total distance Elapsed time

3 0
3 years ago
Read 2 more answers
What causes an electric current in a wire?
VashaNatasha [74]

Well let's analyse.

First we know Ohm's law of resistance that states:

R=\dfrac{U}{I}

Where R is resistance, U is voltage and I is current.

If we express current we get:

I=\dfrac{U}{R}

Because resistance cannot be equal to 0 (violation of mathematical law) the only thing that may cause current being zero is voltage.

Which means that as long as your voltage is bigger than 0V then there will be current (if we are talking about AC).

So to answer the question: Electric current is caused by voltage and regulated by resistance.

Hope this helps.

r3t40

3 0
3 years ago
Other questions:
  • a car accelerates uniformly from rest to a speed of 51.9mi/h in 9.37s. find the constant acceleration of the car. answer in unit
    5·1 answer
  • Name the processes of going (a) from a solid to a gas and (b) from a gas to a solid.
    14·1 answer
  • Before the widespread use of computers, how was the epicenter of an earthquake determined?
    14·2 answers
  • Boss tweed encourage his associates to work like a well oiled machine thus providing his workers with
    15·2 answers
  • Please help!!
    10·1 answer
  • Where is the near point of an eye for which a contact lens with a power of +2.55 diopters is prescribed?Where is the far point o
    14·1 answer
  • Please please help me :)
    14·1 answer
  • Help PLEASE
    5·1 answer
  • A 5kg object accelerates from 3m/s to 7m/s in 5 seconds. Calculate the force required
    9·1 answer
  • 1)A chocolate bar measures 10 cm long by 2 cm wide and is 2 cm thick
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!