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2 years ago

The lithosphere contains rocks, soils, and minerals.

Physics

2 answers:

sergij07 [2.7K]2 years ago

4 0

Answer: TRUE

Explanation:

Hope this helped :))

Nastasia [14]2 years ago

3 0

i put an imagine down below that my teacher gave me, im learning the same thing lol

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The diagram shows the electric field lines around two charges. Based on the field lines, what is the best description of the cha

bixtya [17]

The correct answer is D.) they are positive, they repel.

The law of charges states that; like charges repel while unlike charges attract.
∴ The first conclusion we can make from the two charges is that they are like, the repel.

Magnetic field lines moves from positive to negative. In the diagram it is clear that the fields are moving from the two charges.

So therefore, the correct answer is that, the two charges are positive and they repel.

4 0

3 years ago

Read 2 more answers

Points a and b are nearby a proton in otherwise empty space. the potential is chosen to be zero very far away from the proton. t

sertanlavr [38]

Compared to the electric field energy density at b, the electric field energy density at a is large by a factor of 16.

<h3>What is potential energy?</h3>

The energy of a particle by virtue of its position.

The potential at B = Vb =V

Vb = 1/4π∈₀ x e/r₁ = ke/r₁

V =ke/r₁

and r₁ = ke /V

The potential at A = Va = 2V

2V = ke/r₂

r₂ = ke/2V

The electric field at point B. Eb = ke/r₁²

Substitute the value of r₁, we get

Eb = V²/ke

The electric field at point A , Ea = ke /r₂²

Substitute the value of r₂, we get

Ea = 4V²/ke

The electric field energy density at point A and B,

Ua = 1/2 ∈Ea²

Ub = 1/2 ∈Eb²

electric field energy density is proportional to the square of electric field at the particular point.

Ua/Ub =(Ea/Eb)²

Substitute the values, we get

Ua/Ub = 16

Thus, compared to the electric field energy density at b, the electric field energy density at a is large by a factor of 16.

Learn more about potential energy.

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3 0

2 years ago

What is the force on a body of mass 20 kg moving with an acceleration of 3 m/s2 ?

zubka84 [21]

Hey!!

Solution,

Mass(m)=20kg

Acceleration due to gravity(g)=3 m/s^2

Force=?

Now,

Force=m*g

 = 20*3

 = 60 Newton

The force is 60 Newton 

Hope it helps

Good luck on your assignment..

5 0

3 years ago

Read 2 more answers

Cuantos protones tiene El Oxígeno

jarptica [38.1K]

Answer:

se me hace que son 8 protones

4 0

3 years ago

Read 2 more answers

You walk for a speed of 1.1 m/s (meters per second) for 6.0 seconds and

castortr0y [4]

Answer:

Average speed, As = 2.2 [m/s]

Explanation:

To solve these types of problems we must remember that the average of the speeds is determined by dividing the distance over time.

With the first speed and the time of 6 [s] we can calculate the distance.

V = x/t

where:

x = distance [m]

V = velocity = 1.1 [m/s]

t = time = 6 [s]

x1 = V*t

X1 = 1.1*6

X1 = 6.6 [m]

Now with the second velocity and 6 [s], we can calculate the second distance.

X2 = 3.3*6

X2 = 19.8 [m]

Now we have to calculate the average speed. The total distance is x = x1 +x2

X = 19.8 + 6.6 = 26.4 [m]

and the total time is 12 [s]

Therefore:

As = 26.4/12

As = 2.2 [m/s]

5 0

3 years ago