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Anarel [89]
3 years ago
8

What 2 materials are the planets in our solar system made of?

Physics
2 answers:
fgiga [73]3 years ago
8 0

Answer:

Hydrogen and Helium. 75% Hydrogen and 25% Helium.

Explanation:

FinnZ [79.3K]3 years ago
3 0

they are made up of rock and gas

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A hiker leaves her camp and walks 3.5 km in a direction of 55° south of west to the lake. After a short rest at the lake, she hi
Nezavi [6.7K]

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resultant displacement ( maybe ) is

3.658km E 80.8° S

Explanation:

resolve the components into vertical and horizontal forms. Find the vector sum of each . uisng Pythagoras theorem find the resultant and using sohcahtoa find the direction

5 0
3 years ago
What is the amount of matter in an object is called?​
Sedbober [7]

Answer:

mass

Explanation:

3 0
2 years ago
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Which type of device enables its users to see around corners?
Dmitriy789 [7]

Answer:

We can use optical fibers.

Explanation:

The optical fibers are the optical devices which is based on the total internal reflection.

The optical fiber has two layers, one is called core and the other is called cladding.

The refractive index of core is more than the cladding.

As a ray of light falls on the core at more than the critical angle for that pair of media(core and cladding), it suffers the total internal reflection at the interface.

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3 years ago
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What is the gravitational force between Mars and the sun? 7.43 × 1030 N 1.79 × 1026 N 1.65 × 1021 N 3.76 × 1032 N
VMariaS [17]

The gravitational force between Mars and the Sun is 1.65\cdot 10^{21} N

Explanation:

The magnitude of the gravitational force between two objects is given by  the equation:

F=G\frac{m_1 m_2}{r^2}

where

G=6.67\cdot 10^{-11} m^3 kg^{-1}s^{-2} is the gravitational constant

m1, m2 are the masses of the two objects

r is the separation between them

In this problem, we have:

m_1 = 1.99\cdot 10^{30} kg is the mass of the Sun

m_2 = 6.39\cdot 10^{23} kg is the mass of Mars

r=229\cdot 10^6 km = 229\cdot 10^9 m is the average distance Mars-Sun

Substituting into the equation, we find the gravitational force:

F=(6.67\cdot 10^{-11})\frac{(1.99\cdot 10^{30})(6.39\cdot 10^{23})}{(229\cdot 10^9)^2}=1.62\cdot 10^{21} N

So, the closest answer is

1.65\cdot 10^{21} N

Learn more about gravitational force:

brainly.com/question/1724648

brainly.com/question/12785992

#LearnwithBrainly

4 0
3 years ago
Change in inherited characteristics over time is called what?
adell [148]

Answer:

characteristics

Explanation:

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\color{blue}{ \sf lololololololol}

6 0
2 years ago
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