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stepladder [879]
2 years ago
7

The large, roughly circular, dark, and somewhat younger regions on the moon are called?

Physics
1 answer:
iren2701 [21]2 years ago
6 0
In its overall composition, the Moon roughly resembles: the Earth's crust and mantle. The large, roughly circular, dark, and somewhat younger regions on the Moon are called. maria( hope that helps)
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A horizontal sheet of negative charge has a uniform electric field E = 3000N/C. Calculate the electric potential at a point 0.7m
vesna_86 [32]

Answer:

Electric potential, E = 2100 volts

Explanation:

Given that,

Electric field, E = 3000 N/C

We need to find the electric potential at a point 0.7 m above the surface, d = 0.7 m

The electric potential is given by :

V=E\times d

V=3000\ N/C\times 0.7\ m

V = 2100 volts

So, the electric potential at a point 0.7 m above the surface is 2100 volts. Hence, this is the required solution.

6 0
3 years ago
A 26-kg chandelier hangs from a ceiling on a vertical 4.0-m-long wire. what horizontal force would be necessary to displace its
-Dominant- [34]
First of all you have that the force that is in cable in its vertical posibion is:
 Fy = m * g
 Fy = (26) * (9.8) = 254.8 N
 Then, the force in horizontal direction will be:
 Tan (x) = Fy / Fx
 Clearing:
 Fx = Fy / tan (x)
 Substituting values:
 Fx = (254.8) / (0.17 / 4)
 Fx = 5995.29 N
 Answer:
 The horizontal force that would be necessary to displace its position 0.17 m to one side is 5995.29 N
8 0
3 years ago
An infinite plane lies in the yz-plane and it has a uniform surface charge density.
Allisa [31]

Answer:

<u>So the correct answer is letter e)</u>

Explanation:

The electric field of an infinite yz-plane with a uniform surface charge density  (σ) is given by:

E=\frac{\sigma }{2\epsilon_{0}}

Where ε₀ is the electric permitivity.

<u>As we see, this electric field does not depend on distance, so the correct answer is letter e)</u>

I hope it helps you!

6 0
3 years ago
53. A recently discovered planet has a mass four times as great as Earth's and a radius twice as large as Earth's. What will be
marusya05 [52]

Answer:

g' = g = 9.81 m/s^2

so gravity will be same as that of surface of earth

Explanation:

As we know that the acceleration due to gravity is given as

g = \frac{GM}{R^2}

here we have

M = 4M_e

R = 2R_e

we know that for earth we have

g = 9.81 = \frac{GM_e}{R_e^2}

now if the radius and mass is given as above

g' = \frac{G(4M_e)}{(2R_e)^2}

g' = \frac{GM_e}{R_e^2}

g' = g = 9.81 m/s^2

so gravity will be same as that of surface of earth

6 0
3 years ago
Plz help me it is improtant
marishachu [46]
I think it is b cause I don’t think you do that
7 0
3 years ago
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