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goldenfox [79]
3 years ago
8

What is the difference between liquid water and water vapor?

Physics
2 answers:
Nookie1986 [14]3 years ago
5 0

Answer:

D

Explanation:

they are different states of the same pure substance lmk if I'm right I'm 99% sure I am

Vlada [557]3 years ago
3 0
D is the answer honey
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What is the measure of the average kinetic energy of the particles in a material known as?
Alona [7]

Answer:

The answer is temperature

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3 years ago
Will the temperature of a plastic or wooden spoon be more than the temperature of a metal spoon if you put both of these in a cu
Alja [10]

Answer:

no

Explanation:

the metal spoon would be higher temperature

7 0
3 years ago
Read 2 more answers
A toy cart moves with a kinetic energy of 30 J. If its speed is doubled, what is its kinetic energy?
klio [65]

Explanation:

KE is directly proportional to the square of velocity / speed.

if speed is 2 times (doubled) the KE will be

{2}^{2}

= 4 times the original KE

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8 0
3 years ago
Air (14.5 lb) undergoes a polytropic process in a closed system from p1 = 80 lbf/in2, υ1 = 4 ft3/lb to a final state where p2 =
Yanka [14]
The energy transfer in terms of work has the equation:

W = mΔ(PV)

To be consistent with units, let's convert them first as follows:

P₁ = 80 lbf/in² * (1 ft/12 in)² = 5/9 lbf/ft²
P₂ = 20 lbf/in² * (1 ft/12 in)² = 5/36 lbf/ft²
V₁ = 4 ft³/lbm
V₂ = 11 ft³/lbm

W = m(P₂V₂ - P₁V₁)
W = (14.5 lbm)[(5/36 lbf/ft²)(4 ft³/lbm) - (5/9 lbf/ft²)(11 lbm/ft³)]
W = -80.556 ft·lbf

In 1 Btu, there is 779 ft·lbf. Thus, work in Btu is:
W = -80.556 ft·lbf(1 Btu/779 ft·lbf)
<em>W = -0.1034 BTU</em>


4 0
3 years ago
Define polarization (igcse answer please)
Dmitrij [34]

Answer:

the action of polarizing or state of being or becoming polarized: such as the action or process of affecting radiation and especially light so that the vibrations of the wave assume a definite form. Polarization, in Physics, is defined as a phenomenon caused due to the wave nature of electromagnetic radiation. There are two types of waves, transverse waves, and longitudinal waves.

plz mark brainliest

8 0
4 years ago
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