The inner planets are relatively small bodies composed mostly of rock and metals. Why did they develop this way instead of becoming gas giants like the outer planets?

Answers

Answer 1

Answer:

The temperature of the early solar system explains why the inner planets are rocky and the outer ones are gaseous. As the gases coalesced to form a protosun, the temperature in the solar system rose. In the inner solar system temperatures were as high as 2000 K, while in the outer solar system it was as cool as 50 K. In the inner solar system, only substances with very high melting points would have remained solid. All the rest would have vaoprized. So the inner solar system objects are made of iron, silicon, magnesium, sulfer, aluminum, calcium and nickel. Many of these were present in compounds with oxygen. There were relatively few elements of any other kind in a solid state to form the inner planets. The inner planets are much smaller than the outer planets and because of this have relatively low gravity and were not able to attract large amounts of gas to their atmospheres. In the outer regions of the solar system where it was cooler, other elements like water and methane did not vaporize and were able to form the giant planets. These planets were more massive than the inner planets and were able to attract large amounts of hydrogen and helium, which is why they are composed mainly of hydrogen and helium, the most abundant elements in the solar system, and in the universe

https://lco.global/spacebook/planets-and-how-they-formed/

hope it helps

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What is the mass of a child if the force of gravity on the child's body is 100 N?

Answers

Gravity is 9.81m/s^2 on earth F=m×g
100N=(x)kg×9.81m/s^2
x=10.19kg or more than 22lbs

The pressure of a gas will increase as the volume of the container decreases, provided temperature does not change. This statement is called _____. Boyle's law Charles's law Archimedes' principle Pressure laws

Answers

The right answer for the question that is being asked and shown above is that: "Archimedes' principle." The pressure of a gas will increase as the volume of the container decreases, provided temperature does not change. This statement is called Archimedes' principle

112444811Explanation:

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If 20 beats are produced within one second, which of the following frequencies could possibly be held by two sound waves traveling through a medium along a common path at the same time? A. 38 Hz and 63 Hz
B. 22 Hz and 42 Hz
C. 47 Hz and 55 Hz
D. 18 Hz and 26 Hz

Answers

Answer:

B. 22 Hz and 42 Hz

Explanation:

The beat is an interference pattern which occurs when two waves of slightly different frequencies meet each other. The beat is heard as a periodic variation, whose frequency (called beat frequency) is equal to the absolute value of the difference between the frequencies of the individual waves:

$f_B = |f_1-f_2|$

In this problem, we are told that 20 beats per second are produced, so the beat frequency is

$f_B = 20 s^(-1) = 20 Hz$

Therefore, we must find the two waves which have a difference in frequency equal to this value, 20 Hz. Let's see each choice:

A. 38 Hz and 63 Hz --> $f_B = |38 Hz-63 Hz|=25 Hz$ --> NO

B. 22 Hz and 42 Hz --> $f_B = |22 Hz-42 Hz|=20 Hz$ --> YES

C. 47 Hz and 55 Hz --> $f_B = |47 Hz-55 Hz|=8 Hz$ --> NO

D. 18 Hz and 26 Hz --> $f_B = |18 Hz-26 Hz|=8 Hz$ --> NO

So, the correct choice is

B. 22 Hz and 42 Hz

The right answer for the question that is being asked and shown above is that: "B. 22 Hz and 42 Hz." If 20 beats are produced within one second, the frequencies that could possibly be held by two sound waves traveling through a medium along a common path at the same time is B. 22 Hz and 42 Hz

When the mass of an object increases, the force of gravityincreases.
decreases.
remains the same.
becomes irregular.

Answers

The forces of gravity between two objects depend on the masses
of both objects. So if one mass increases, then the objects will be
drawn together by stronger gravitational force.

Example:
When a person eats a lot of steak and fat and carbohydrates, his
mass increases, and the bathroom scale shows that the gravitational
forces drawing him and the Earth together have increased. We say
that he has "gained weight".

increases

the amount of directly tied to the mass of the object... if the object has less mass, so does the amount of gravity...

a child riding a bicycle at 15 m/s decelerate at the rate of 3.0 meters per second squared for 4.0 seconds. what is the child's speed at the end of the 4.0 seconds?

Answers

3m/ $s^(2)$ of deceleration for 4 seconds.
3 x 4 = 12
15 - 12 = 3
The child will be riding a bicycle at 3m/s after 4 seconds.

If you want a full equation (which you might not):
let a be acceleration rate, Vf be final velocity, Vi as initial velocity, and t as time.
a = (Vf - Vi)/t
let's fill in everything we know now:

-3 = (Vf - 15)/4
now let's solve for Vf

-3 = Vf/4 - 15/4
-Vf/4 = 3 - 15/4
Vf/4 = -3 + 15/4
Vf = -12 + 15
Vf = 3

Therefore, final velocity is 3m/ $s^(2)$

T/F: The weight of an astronaut plus her space suit on the moon is only 255 n

Answers

Answer:

True

Explanation:

So, if your mass on Earth is 45 kg on Earth, your mass will also be 45 kg on the moon. The reason behind this is because the amount of matter you're made of doesn't change if you're on the moon or on the Earth. The weight of an astronaut and his space suit on the Moon is only 250 N.

Final answer:

False. The weight of an astronaut plus her space suit on the moon is not only 255 N. The weight of an object on the moon is about one-sixth of its weight on Earth.

Explanation:

False. The weight of an astronaut plus her space suit on the moon is not only 255 N. The weight of an object is determined by the force of gravity acting on it. The moon's gravity is about one-sixth that of Earth's, so the weight of an object on the moon is about one-sixth of its weight on Earth. If the weight of an astronaut plus her space suit on Earth is known to be 255 N, then her weight on the moon would be approximately 42.5 N.

Learn more about Weight on the moon here:

brainly.com/question/34136037

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