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Anika [276]
2 years ago
10

Cathode ray particles have what type of charge

Physics
1 answer:
zlopas [31]2 years ago
3 0

Answer:

negative charge

Explanation:

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Given that the radius of the moon is roughly one-quarter that of the earth, find the mass of the moon in terms of the mass of th
MrRa [10]

The mass of the moon is six times lower in terms of the mass of the earth because of the its lower size and shape.

<h3>What is the mass of the moon and earth?</h3>

The mass of the moon is 7.34767309 × 1022 kilograms while on the other hand, the mass of the earth is 5.97219 × 1024 kilograms. This difference is due to the lower radius of the moon as compared to earth.

So we can conclude that the mass of the moon is six times lower in terms of the mass of the earth because of the its lower size and shape.

Learn more about radius here: brainly.com/question/12908707

4 0
1 year ago
Jak můžeme videt ze se meni cas
juin [17]

Answer:

a jak to chces vidieť nápis podrobnejsie

3 0
2 years ago
A wave has a frequency of 775 Hz. What is its period?
Leto [7]

The period is simply the inverse of the frequency, therefore:

T = 1 / f

T = 1 / 775 Hz

T = 0.001290 s    → possible answer

T = 1.29 × 10⁻³ s   → possible answer

T = 1.29 ms          → possible answer

4 0
2 years ago
The era of planet formation ended when the remaining hydrogen and helium gas of the solar nebula was swept into interstellar spa
artcher [175]

Answer:

The era of planet formation ended when the remaining hydrogen and helium gas of the solar nebula was swept into interstellar space by the solar winds.

Explanation:          

The Solar System is formed from a molecular cloud (compound by gas and dust). If there is a near perturbation to the cloud, maybe due to a supernova explosion, the molecular cloud will collapse under its own gravity. Then, in some point it starts to rotate and will accrete all the material in a disk around the protostar¹.

Inside the disk, dust particles start to collide and accrete until they form planetesimals². As a consequence of the gravitational force of the star, rocky and metallic particles will be more attracted to the inner part of the Solar System (close to the Sun) since they have more mass than gas.

Then, when the star has the necessary pressure and temperature to initiate nuclear reactions in its core, it will be able to emit huge amounts of energy, better known as solar winds. These winds will expel gas (hydrogen and helium) from the Solar System more easily than the rocky and metallic  particles.

Notice that when such event occurs, rocky and gaseous planets were already formed.

       

Key terms:

¹Protostar: A young star.

²Planetesimals: Object formed by many fragments due to the gravitational attraction between them.

5 0
3 years ago
Explain why wedges and screws are actually types of inclined planes.
slava [35]
<span>The screw is really just an inclined plane covered around with a tiny pole. The wedge is definitely an inclined plane, since it starts with a point, then rises getting thicker, as an inclined plane. </span>
5 0
3 years ago
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