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zhannawk [14.2K]
3 years ago
15

What average energy of particles does temperature measures?​

Physics
1 answer:
sertanlavr [38]3 years ago
8 0

Answer:

Well, temperature is simply an average measure of the kinetic energy for particles of matter. Another way of putting it would be that temperature simply describes the average vibration of particles. Because the motion of all particles is random, they don’t all move at the same speed and in the same direction.

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Why is fluorine special in terms of electronegativity?
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Florine is special becaus Florine is at the highest value of electronegative value with 4.0
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Which statements accurately describe matter? Check all that apply. Only living things are made up of matter. Matter is made up o
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The answer is "matter is made up of tiny particles called atoms"
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Two wires are made of the same material. Wire 1 has length that is 1.35 times the length of wire 2 and diameter that is 0.91 tim
Oksi-84 [34.3K]

Answer:

1.117935:1

Explanation:

Since the wires are of the same material, they will have the same resistivity \rho.

The cross-sectional area of the of a wire is given by;

A=\pi\frac{d^2}{4}................(1)

where d is the diameter of the wire.

Also, the relationship between resistance R, cross-sectional area A and length l of a wire is given as follows;

\rho=\frac{RA}{l}..................(2)

Since the resistivity same for both wires, say wire 1 and wire 2, we can wreite the following;

\frac{R_1A_1}{l_1}=\frac{R_2A_2}{l_2}..................(3)

Hence from eqaution (3), the ration of wire 1 to 2 is expressed as;

\frac{R_1}{R_2}=\frac{l_1A_2}{l_2A_1}..................(4)

Given;

l_1=1.35l_2

\frac{R_1}{R_2}=\frac{1.35l_2A_2}{l_2A_1}\\\frac{R_1}{R_2}=\frac{1.35A_2}{A_1}.............(5)

We then use equation (1) to fine the ratio of the area A_1 to A_2

bearing in mind that d_1=0.91d_2

This ratio gives 0.8281. Substituting this into equation (5), we get the following;

\frac{R_1}{R_2}= 1.35*0.8281=1.117935

4 0
3 years ago
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A particle moves on a straight line with velocity function v(t) = sin ωt cos2ωt. find its position function s = f(t) if f(0) = 0
Sauron [17]
The correct answer for this question is this one:Hope this helps answer your question and have a nice day ahead.
v( t)= sin( ωt) cos^2 ( ωt) 

s(t) = ∫sin(ωt) cos^2 (ωt) dt 

let cos(ωt) = u 

-ωsin(ωt) dt = du 

∫sin(ωt) cos^2 (ωt) dt = -(1/ω)∫u^2 du = -(1/ω)u^3 / 3 + const 

s(t) = -(1/ω)cos^3(ωt) / 3 + const 

s(0) = 0 => const = 1/(3ω) 

s(t) = (1 - cos^3(ωt))/(3ω)
5 0
3 years ago
Find the time it would take a car going 25 meters per seconds,east, to travel 400 meters per seconds,east
nexus9112 [7]
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