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Airida [17]
2 years ago
9

How does freezing and evaporation affect salinity?

Physics
1 answer:
Gnoma [55]2 years ago
8 0
The answer is C, because the water molecules are evaporating and the salt molecules are staying the same.
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If the force on a spring is 2 N and it stretched 0.5 m, what is the spring constant?
andriy [413]
<h2>It solved by the Hooke's law states F=kx</h2>

answer is

<h2>0.4n/m</h2>
6 0
3 years ago
Assume that in interstellar space the distance between two electrons is about 0.8 cm. The electric force between the two electro
SIZIF [17.4K]

Answer:

F = 3.6 x 10⁻²⁴ N

Explanation:

The force of attraction or repulsion between two charges is given by the Coulomb's Law. Coulomb's Law states that:

F = kq₁q₂/r²

where,

F = Electric Force between electrons = ?

k = Coulomb's Constant = 9 x 10⁹ N.m²/C²

q₁ = q₂ = Charge on electron = 1.6 x 10⁻¹⁹ C

r = distance between electrons = 0.8 cm = 0.008 m

Therefore,

F = (9 x 10⁹ N.m²/C²)(1.6 x 10⁻¹⁹ C)(1.6 x 10⁻¹⁹ C)/(0.008 m)²

<u>F = 3.6 x 10⁻²⁴ N</u>

5 0
3 years ago
Raquel says, “I just saw an ad that has my favorite song and my favorite colors. It’s for the new theme park in town. I love the
NNADVOKAT [17]

Answer:

C. Targets

Explanation:

Because the Ad for the theme park effectively caught Raquel's attention, a businessperson would say that the ad accurately targeted Raquel. Marketers use specific colors, themes, designs, songs, etc to target a specific audience.

4 0
1 year ago
What is the acceleration of a vehicle that goes from 35m/s to a stop in 35 s?
nasty-shy [4]
35m/s is meters per second.
35x35=1225
it will have gone a total of 1225 meters on thirty five seconds
5 0
3 years ago
Read 2 more answers
Friction force depends on (select any of the following)
igor_vitrenko [27]

-the contact force

-weight of an object

-the surfaces in contact (coefficient of friction).

these are what I think are the answer

4 0
2 years ago
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