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Tasya [4]
3 years ago
6

In which state of matter do the particles spread apart and fill all the space available to them?

Physics
2 answers:
Sav [38]3 years ago
7 0
This is a gas or C!!!!!!!!!!!!!!!!!
Alex_Xolod [135]3 years ago
3 0
Answer choice C. Gas is your answer
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What is 5C in physics
Tamiku [17]

Answer:

forces , motions , friction

Explanation:

3 0
3 years ago
(a)
Marta_Voda [28]

a) The momentum of the coconut is 3 kg m/s

b) At first, the air resistance is negligible, so the coconut accelerates due to the force of gravity

c) The coconut reaches its terminal velocity

Explanation:

a)

The momentum of an object is given by the equation

p=mv

where

m is the mass of the object

v is its velocity

For the coconut in this problem, we have:

m = 1.5 kg (mass)

v = 2 m/s (velocity)

Therefore, its momentum is

p=(1.5)(2)=3 kg m/s

B)

There are only two forces acting on the coconut during its fall:

  • The force of gravity, of magnitude mg (m= mass of the coconut, g = acceleration of gravity), acting downward
  • The air resistance, acting upward, whose magnitude is proportional to the speed of the coconut

During the first momentums of the fall, the speed of the coconut is still low, so the air resistance is mostly negligible, and therefore only the force of gravity is acting on the coconut. Since this force is constant, it means that the acceleration of the coconut is constant: therefore, its velocity keeps increasing during the fall, and the coconut speeds up.

C)

If the tree is very tall, the fall of the coconut lasts long, and the  speed of the coconut keeps increasing. Since the air resistance is proportional to the speed, this means that at some point, the air resistance is no longer negligible, and it starts to have some effect on the fall of the coconut. In particular, at a certain point, the air resistance will become equal (in magnitude) to the force of gravity (but opposite in direction): this means that  from this point, the acceleration of the coconut will be zero, and therefore the coconut will continue its motion at constant velocity. This velocity is called terminal velocity, and it occurs when the force of gravity is equal to the air resistance:

mg = F_r

where F_r is the air resistance.

Learn more about forces and weight:

brainly.com/question/8459017

brainly.com/question/11292757

brainly.com/question/12978926

#LearnwithBrainly

8 0
2 years ago
I WILL MARK YOU THE BRAINLIEST NO LINKS
statuscvo [17]

Answer:

it becomes a gas

Explanation:

the matter expands, turning into steam, a gas.

4 0
3 years ago
How many zebras automatically survive the first interaction with the lions in Generation 1?
lesya692 [45]
I think the answer is c. but I think it depends on how many zebras you have
5 0
3 years ago
How many items are present in the compound (NH4)2Cr2O7
SVEN [57.7K]
In 2Cr2O7 there’s 2 items; Cr and O
5 0
3 years ago
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