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Darya [45]
3 years ago
10

Select all the correct answers.

Physics
2 answers:
crimeas [40]3 years ago
6 0
It keeps the solar wind from reaching earth
Maslowich3 years ago
3 0

Answer:

It keeps the solar wind from reaching Earth.

Explanation:

Solar Wind corresponds to the emission of particles from the solar corona. The mechanism by which the Solar Wind is formed is still not exactly known. So far, it is known that it consists of a plasma composed of electrons, protons and sub-particles like neutrinos. This plasma is composed of particles loaded with ionized atoms with greater weight and which undergo an acceleration caused by the thermonuclear reactions of the Sun, being then fired in all directions with high speeds, reaching approximately 400 km / s. When close to Earth, the particles can reach up to 800 km / s and have densities around 10 particles per cubic centimeter.

The evolution of the studies has already allowed the identification of some effects caused by the Solar Wind. The tails of comets have their orientation defined exactly due to the Solar Wind. Another registered effect is the change in planetary magnetic fields, because the magnetic field protects the planet against the effects of the solar wind, but ends up being damaged.

In addition, the Solar Wind also interferes with the propagation of radio waves, has an effect on the flight track of space vehicles and can directly influence the Earth's climate when solar flares are very violent.

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What is the difference between landforms and landmarks
Anika [276]
A land form is a natural feature of earths surface and a land mark is can be man-made or natural and it is used to mark something significant. 
7 0
3 years ago
How much does a crate weigh (force) if it is 0.25 meters wide and 1.5 meters long and it
serg [7]

Force of a crate : 300 N

<h3>Further explanation</h3>

Given

0.25 meters wide and 1.5 meters long

Pressure = 800 Pa

Required

Force

Solution

P = F/A

A = 0.25 x 1.5

A = 0.375 m²

P = 800 Pa = 800 N/m²

Input the value :

F = P x A

F = 800 N/m² x 0.375 m²

F = 300 N

6 0
3 years ago
Look at the circuit diagram. What type of circuit is shown? A) open series circuit B) closed parallel circuit C) closed series c
KATRIN_1 [288]

Answer:

B. closed series circuit because the resistors are one after the other and there is no open switch.

Explanation:

3 0
3 years ago
The Ptolemaic model of the universe describes the earth as
patriot [66]

The Ptolemaic model of the universe describes the Earth as  being at the center, stationary, with the Sun, the Moon, other planets, stars, and EVERYTHING rotating around it. <em>(B) </em>

8 0
3 years ago
Read 2 more answers
Inside a television picture tube there is a build-up of electrons (charge of 1. 602 × 10–19 C) with an average spacing of 38. 0
Olin [163]

The magnitude of the electric field inside the picture tube is 998.476 kN/C.

<h3>What is an electric field?</h3>

It is an area in the space where a charged particle experiences a force. It can be calculated by the formula,

E =\dfrac {kQ}{r^2 }

Where,

E = electric field produced

Q = charge =  1.602 \times  10^{-19}\rm \  C

r = distance = 38 \times  10^{-9}\rm \  m

k = Coulomb's constant = 9 \times 10^9 \rm \ N. m2 / C2

Put the values in the formula,

E = \dfrac {9 \times 10^9\times 1.602 \times  10^{-19}}{(38 \times  10^{-9})^2}\\\\E = 998.476 \rm \ kN/C

Therefore, the magnitude of the electric field inside the picture tube is 998.476 kN/C.

Learn more about the electric field:

brainly.com/question/3783640

8 0
2 years ago
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