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lara [203]
4 years ago
8

Which following options are examples of matter? A) light B) Molecules C) Feelings D) people

Physics
2 answers:
yaroslaw [1]4 years ago
6 0
All except C, feelings are not physical.
Dafna11 [192]4 years ago
4 0

b.molecules and d.people are the answers for apex

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A test tube of length L and cross-sectional area A is submerged in water with the open end down so that the edge of the tube is
Margaret [11]

Answer:

if we measure the change in height of the gas within the had and obtain a straight line in relation to the depth we can conclude that the air complies with Boye's law.

Explanation:

The air in the tube can be considered an ideal gas,

           P V = nR T

In that case we have the tube in the air where the pressure is P1 = P_atm, then we introduce the tube to the water to a depth H

For pressure the open end of the tube is

         P₂ = P_atm + ρ g H

Let's write the gas equation for the colon

            P₁ V₁ = P₂ V₂

            P_atm V₁ = (P_atm + ρ g H) V₂

             V₂ = V₁    P_atm / (P_atm + ρ g h)

If the air obeys Boyle's law e; volume within the had must decrease due to the increase in pressure, if we measure the change in height of the gas within the had and obtain a straight line in relation to the depth we can conclude that the air complies with Boye's law.

The main assumption is that the temperature during the experiment does not change

6 0
3 years ago
I have a test for my finals can y’all help me?
drek231 [11]
What’s the question? I may be able to help
7 0
3 years ago
If x2 = 60, what is the value of x? plus or minus square root 30 plus or minus square root 60 ±30 ±120
Zielflug [23.3K]
X2 = 60
/ 2 / 2
x = 30
Plus or minus square root 60
4 0
3 years ago
HELP I DON'T PAY ATTENTION ENOUGH
Setler [38]

Answer:

I think 1 is d and 2 is A

Explanation:

but I may be wrong and I am so sorry if I am

8 0
3 years ago
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Compare an object sliding across carpet and that same object sliding across a bare floor. Why is the object quicker to slow down
My name is Ann [436]
Because of friction. Hope this helps. Mark brainliest:)
5 0
4 years ago
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