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ludmilkaskok [199]
2 years ago
14

If a 200 kg person stands next to a 100 kg person. Which person would have a larger gravitational attraction?

Chemistry
2 answers:
kondaur [170]2 years ago
7 0

Answer:

massive one that is 200kg

Explanation:

Since the gravitational force is directly proportional to the mass of both interacting objects, more massive objects will attract each other with a greater gravitational force. So as the mass of either object increases, the force of gravitational attraction between them also increases.

gavmur [86]2 years ago
6 0

Answer:

200 kg

Explanation:

the 200 kg person is heavier due to gravity's force the 100 kg person has less force than the other person

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El siguiente bloque de masa 2 kg acelera a razón<br>de 4 m/s, calcula el módulo de la fuerza F​
choli [55]

Answer:

8 Newton

Explanation:

f = m × a

2 × 4 = 8 Newton

8 0
3 years ago
In order to complete his research project, Roger needs to make a mixture of 86 mL of a 36% acid solution from a 39% acid
Zina [86]

The volume of the 39% acid solution that Roger needs to use to make a mixture of 86 mL of a 36% acid solution is 74.27 mL.

The mixture of the acids solutions is given by:

CV = C_{1}V_{1} + C_{2}V_{2}    (1)      

Where:

C: is the concentration if the mixture = 36%  

V: is the total volume of the mixture = 86 mL

C₁: is the concentration of acid 1 = 39%

V₁: is the volume if acid 1 =?

C₂: is the concentration of acid 2 = 17%

V₂: is the volume of acid 2

The sum of V₁ and V₂ must be equal to V, so:

V = V_{1} + V_{2}

V_{2} = V - V_{1}  (2)

By entering equation (2) into (1), we have:

CV = C_{1}V_{1} + C_{2}(V - V_{1})

36\%*86 mL = 39\%*V_{1} + 17\%(86 mL - V_{1})

Changing the percent values to decimal ones:

0.36*86 mL = 0.39*V_{1} + 0.17(86 mL - V_{1})  

Now, by solving the above equation for V₁:

V_{1} = 74.27 mL  

Therefore, the volume of the 39% acid solution is 74.27 mL.

       

To learn more about mixture and solutions, go here: brainly.com/question/6358654?referrer=searchResults

I hope it helps you!  

         

7 0
2 years ago
Read 2 more answers
1. Something must have mass in order to create change.
nignag [31]

These are three questions each with its complete answer.

Question 1. Something must have mass in order to create change.

A. True

B. False

Answer:

  • <u><em>False</em></u>

Explanation:

Two counter examples will prove that the statement is false.

  • light and fire

Neither light nor fire have mass, so they are not considered matter, but yet both can create changes.

Light is an electromagnetic wave, so it is energy, and as such it, of course, can cause some changes. One example are the chemical reactions, like photosynthesis, which require light to happen.

Ligth may also be described either as quanta named photons. Although photons behave like particles they do not have mass.

So, that example contradicts the statement that something must have mass in order to create change.

Fire also contradicts the statement. Fire is a manifestation of energy, it does not have mass, and sure you know how fire create changes in living and no living things.

Question 2. Powdered medicine fills a pill capsule. Which of the following is the best description of the state of the powder?

A. It is a solid because all powders are solid.

B. It is a gas because it takes up the entire volume of the pill capsule.

C. It is a liquid because it does not hold a definite shape.

Answer: the best description is the choice A:

  • A. It is a solid because all powders are solid.

Explanation:

Indeed, although sometimes the powder may be very fine (dust), yet it is not liquid or gas. Powders are always solid.

There are four main states of matter: solid, liquid, gas, and plasma.

Liquids are able to take the form of the container but do not occupy the entire container. Gases do occupy the entire container.

When powder is very fine it could resemble some properties of liquid, but the structure of powders is not crystaline, this is it is not an ordered arrangement. The structure of powders is an ordered arrangement, so powders are solids and not liquids.

It is easy to discard that a powdered medicine could be a gas, because it definetly do not occupy the entire volume of the pill capsule.

Question 3. Find an example of something that you do NOT know the state of. Describe it, and tell me your best guess of what state it is. Explain your guess.

Answer:

Two examples come to my mind:

  • A paste like Nutella or toothpaste

  • Wax of a candle

Explanation:

I will use the example of Nutella to complete the answer.

Nutella is not a gas because when you open the jar it will not escape and fill the room around it.

When you put Nutella in a plate it will not flow over the whole plate, is it a solid ? But yet you can spread it easyly over a cookie. Is it a liquid?

So, Nutella behaves like a solid until you apply some force over it and then it seems a liquid.

I would guess that pastes are solids because they should have an inner structure that keep the particles together.

If you do some research you will find that pastes are neither liquid nor solids, they are named gels. And gels may be seen as a dispersion of molecules of a liquid within a solid, i.e. in liquid particles dispersed in the solid medium

This sure meets the requirements of this question.

8 0
2 years ago
Why might a geologist ask an analytical chemist to help identify the minerals in a rock.
Galina-37 [17]

 A geologist will ask an analytical chemist to help identify the minerals in a rock because an analytical chemist studies the composition of matter and, therefore, can identify the minerals.

The analytical chemist does this by determining the crystal structure as a matter of routine using X-ray and electron diffraction techniques.

Learn more here:

brainly.com/question/28298642

#SPJ4

8 0
1 year ago
In which color coded area would you find an element that behaves both like a metal and a non-metal?
Kay [80]

what elements are each color over? can you list one from each color so i can answer it

4 0
2 years ago
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