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

1 answer:

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:

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