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3 years ago

How does energy from the sun affect the motion of molecules in a gas compared to molecules in a liquid?

Physics

2 answers:

Nookie1986 [14]3 years ago

6 0

<h2>Answer:</h2>

Correct option is A.

a. Molecules in a gas move faster than in a liquid.

<h2>Explanation:</h2>

Energy from the sun affect the motion of molecules in a gas compared to molecules in a liquid such as that molecules in a gas move faster than in a liquid. So, first option is correct.

AnnZ [28]3 years ago

3 0

Molecules in a gas move faster than in a liquid.

hope it helps.

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A ball is thrown vertically down from the edge of a cliff with a speed of 4 m/s,

Serhud [2]

By using the equation speed = distance/time we can solve for distance. The speed is 4 m/s and the time is 12 seconds. We need to rearrange the equation to Speed * Time = distance. 4(12) = 48; 48 = distance. The cliff is 48 meters high.

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3 years ago

A 80 kg block starts from rest at the top of a 15m frictionless ramp. The block slides down the frictionless ramp onto a rough h

Nadusha1986 [10]

Answer:

W(fric) = -12000 J

Explanation:

Given that

mass ,m= 80 kg

Initial speed ,u= 0 m/s

Height ,h= 15 m

Final speed ,v= 0 m/s

We know that

Work done by all the forces = Change in the kinetic energy

$W_{gravity}+W_{fric}=\dfrac{1}{2}mv^2-\dfrac{1}{2}mu^2$

$W_{gravity}+W_{fric}=\dfrac{1}{2}m\times 0^2-\dfrac{1}{2}m\times 0^2$

$W_{gravity}+W_{fric}=0$

W(fric)= - m g h

W(fric) = - 80 x 10 x 15 ( g=10 m/s²)

W(fric) = -12000 J

negative sign indicates that force and displacement is in opposite direction.

5 0

3 years ago

1. Meiosis produces daughter cells that are

Marina86 [1]

Answer:

1. A Haploid

2. A. Somatic Cell production

3. B. Gametic cell production

4. C. Mitosis produces identical cells to parent cells.

5. B 4:0

6. C Both parent bees are heterozygous Ll

7. D DNA is made up of chromosomes

8. B Each hypothesis was tested and DNA supported the data better

9. D There may be an increase in pest populations that are resistant to control measures.

10. A They are proven to cause cancer.

11. B a form of a gene

Explanation:

Answer was too long, so is attached in a word document

Download docx

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4 years ago

Personality appears to _________ as individuals age. gradually change quickly change quickly stabilize gradually stabilize

anzhelika [568]

Answer:

Gradually Change

Explanation:

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3 years ago

Read 2 more answers

15 if an object gains_ it has an electrical charge

Papessa [141]

Answer:

15. electrons

16. electrometer

18. Transformers

24. Power

Explanation:

The fundamental charges in nature are electrons and protons.
The electrons have negative charges and protons have positive charges.
The proton with similar other protons forms the nucleus of an atom. Mostly it doesn't exist freely in nature. it is not easy to knock out a proton from an atom.
Whereas, the electrons were present in the outer sphere if the nucleus of an atom.Compared to a proton, It is easy to remove an electron from an atom.
So, if an object gains some electrons, it acquires some charges.
The amount of such charges can be measured using a device called electrometer.
The flow of electrons is associated with energy. This energy is called electrical energy and it can be converted into other forms of energy.
The rate at which electrical energy is converted to some other forms of energy is called electrical power.

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4 years ago