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jonny [76]
3 years ago
5

What is the primary difference between the states of matter? color of the substance mass of the substance number of atoms in the

substance amount of movement of atoms in the substance
Physics
2 answers:
Virty [35]3 years ago
6 0

Answer:

solid

gas

gas

Explanation:

Which state of matter has a rigid shape? solid  

Which state of matter is very easy to compress? gas

Which state of matter has atoms that move freely? gas

Arada [10]3 years ago
4 0

The primary difference cannot be color. Why? just because you move from one state to another it doesn't mean it will change colors. Anyways, this isn't a PRIMARY difference, although it can be true.

The mass of the substance CANNOT be changed. Why? Well, according to the law of conservation of mass, mass cannot be created nor destroyed. Not a primary difference.

Number of atoms in the substance cannot change PHYSICALLY, but the number can change CHEMICALLY. Out of the picture!

last but not least, the amount of movement of atoms in a substance is the primary difference between the states of matter. Plasma has super fast atoms that are going in random directions everywhere, and they are spread out, just like the gaseous state. Liquid state has atoms that slide past one another, fill up the container they are in, and are more tightly packed but are still somewhat loose. In a solid, the atoms are moving ever so slightly and they are completely packed and firm, which is why if you hit your table right now it won't melt around your hand (and why it is standing...). Then the last state of matter, the bose-einstein condensate, pretty much reducing the temperature to absolute zero, is when molecular motion is pretty much stopped.

To the point: <u>The amount of movement of atoms in the substance is the primary difference between the states of matter!</u>

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A small block of mass m1 = 0.4 kg is placed on a long slab of mass m2 = 2.8 kg. Initially, the slab is stationary and the block
mel-nik [20]

Answer:

v₁ = 0.375 m / s ,   x = 0.335 m

Explanation:

Let's analyze this interesting exercise, the block moves and has a friction force with the tile, we assume that the speed of the block is constant, so the friction force opposes the block movement. For the only force that acts (action and reaction) this friction force exerted by the block that is in the direction of movement of the tile.

We can also see that the isolated system formed by the block and the tile will reach a stable speed where friction cannot give the system more energy, this speed can be found by treating the system with the conservation of linear momentum.

initial moment. Right at the start of the movement

       p₀ = m v₀ + 0

final moment. Just when it comes to equilibrium

      p_{f} = (m + M) v₁

how the forces are internal

       p₀ =p_{f}

       m v₀ = (m + M) v₁

       v₁ = m /m+M    v₀

let's calculate

       v₁ = 0.4 /(0.4 + 2.8)  3

       v₁ = 0.375 m / s

 

Let's apply Newton's second law to the Block, to find the friction force

Y axis

       N - W = 0

       N = W

       N = m g

where m is the mass of the block

the friction force has the formula

      fr = μ N

      fr = μ m g

We apply Newton's second law to slab    

X axis

       fr = M a

where M is the mass of the slab

       μ m g = M a

       a = μ g m / M

let's calculate

       a = 0.15  9.8  0.4 / 2.8

       a = 0.21 m / s²

With kinematics we can find the position

       v²= v₀²+2 a x

as the slab is initially at rest, its initial velocity is zero

       v² = 2 a x

       x = v2 / 2a

let's calculate

        x = 0.375²/2 0.21

        x = 0.335 m

4 0
3 years ago
What type of energy does friction produce?
VMariaS [17]

Answer:

The correct option is A = adiant negy.

6 0
3 years ago
Someone please help on this? I just need the diagram to be drawn.
gregori [183]

Well the diagram would look like the water cycle I think


7 0
3 years ago
If the volume of a container of gas remains constant, what will happen to the pressure of a gas if you increase the temperature?
Scorpion4ik [409]

Answer:

This example of the effect of volume on the pressure of a given amount of a confined gas is true in general. Decreasing the volume of a contained gas will increase its pressure, and increasing its volume will decrease its pressure.

Explanation:

Hope it helps

4 0
2 years ago
This force on compass dials is an example of a force that _______.
romanna [79]
D. Acts at a distance, because magnetic forcefield is in two dots, Earth's north and south magnetic poles, and magnet is on some distance from them.
4 0
3 years ago
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