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Charra [1.4K]
3 years ago
15

Find the net electric force that the two charges would exert on an electron placed at point on the xx-axis at xx = 0.200 mm. Exp

ress your answer with the appropriate units. Enter positive value if the force is in the positive xx-direction and negative value if the force is in the negative xx-direction.

Physics
1 answer:
UkoKoshka [18]3 years ago
6 0

Answer:

The question has some details missing, here is the complete question ; A -3.0 nC point charge is at the origin, and a second -5.0nC point charge is on the x-axis at x = 0.800 m. Find the net electric force that the two charges would exert on an electron placed at point on the x-axis at x = 0.200 m.

Explanation:

The application of coulonb's law is used to approach the question as shown in the attached file.

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Which list places the layers of the sun in the correct order from innermost to outermost?
LiRa [457]

Answer:

Convective zone, chromosphere, corona

Explanation:

A star like the Sun is divided into different layers according to pressure, density, temperature, and the mechanics of energy transport (in the case of the convective zone and radiative zone) for each of those layers.

In stars, there is an equilibrium between two forces, the force of gravity in the inward direction due to their own mass and the radiation pressure in the upward direction as a consequence of the nuclear reaction in their core, that is known as hydrostatic equilibrium.

That leads to different layers according with the properties described above.    

       

Near the core, in the Sun, there is a radiative zone since radiation is the best mechanism of energy transport in this area. Then, in the next layer, it can be found that convection becomes a more efficient way of energy transport that radiation due to the fact that the inner part of the convection zone is at a greater temperature than the outer one.    

Finally, there is the atmosphere of the Sun (chromosphere, photosphere, and corona).

                                       

Key terms:        

Convection: Transport of energy due to different in density and temperature of a material (liquid, gas).    

     

4 0
4 years ago
Read 2 more answers
A 706-N man stands in the middle of a frozen pond of radius 8.0 m. He is unable to get to the other side because of a lack of fr
mariarad [96]

Answer:

t=62 s

Explanation:

Applying the conservation of linear momentum formula:

(m1+m2)*v_{o1}=m1*v_{f1}+m2*v_{f2}

the initial velocity is zero, we can calculate the man's mass using the gravitational force formula:

F_g=m.g\\\\m=\frac{706N}{9.81}\\\\m=72.0kg

now:

m*v_{f1}=-m_b*v_b\\\\V_{f1}=-\frac{m_b*v_b}{m}\\\\V_{f1}=-\frac{1.2kg*8.0m/s}{72.0kg}\\\\V_f=-0.13m/s

That is 0.13m/s due south.

because there is no friction, the man will maintain a constant velocity, so:

d=v*t\\t=\frac{d}{v}\\t=\frac{8m}{0.13m/s}\\\\t=62s

8 0
3 years ago
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rjkz [21]

Answer:

80m

Explanation:

potential energy = MGH

p.e = 50 X 10 X h

4x10⁴ = 500 X h

h = 4x10⁴/500

h = 80m

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Answer:

45 kg is the mass of a table that weights 441 newton.

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