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Svetach [21]
3 years ago
5

Calculate the average translational kinetic energy of a nitrogen molecule at 27 degree Celcius.

Physics
2 answers:
MArishka [77]3 years ago
8 0
Calculate the average translational kinetic energy of a nitrogen molecule at 27 degree Celsius.

Answer: In order to calculate the average translational kinetic energy of a nitrogen molecule at 27 degrees celcius we will have to use the following formula: Average Translational KE molecule = (3/2)*1.38*10^-23 J/K× T. First we convert the 27 degrees celsius to kelvin. Which should give you 300.15. Now we simply replace it in the formula and you should get 6.213104999999999e-21.

I hope it helps, Regards.
Molodets [167]3 years ago
7 0
T = 27° C = 27 + 273 = 300 K
Bolzmann constant: k b = 1.38065 · 10^(-22) J/K
K = 3/2 kb T
K = 3/2 · 1.38065 · 10^(-22) J/K · 300 K = 6.212925 · 10^(-20) J
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3 years ago
A straight segment of a current-carrying wire has a current element IL where I = 2.70 A and L = 3.20 cm i + 4.30 cm j. The segme
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The component of the force in negative z-direction is -0.144 N.

The given parameters;

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  • <em>length of the wire, L = (3.2 i + 4.3j) cm</em>
  • <em>magnetic filed, B = 1.24 i</em>

The force on the segment of the wire is calculated as follows;

F = ILBsin(\theta)

where;

  • <em>θ is the angle wire and magnetic field</em>

<em />

The force on the wire segment will be perpendicular in negative z-direction (applying right hand rule), so there won't be any x and y component of the force.

The angle between the wire and the magnetic field is calculated as follows;

\theta = tan^{-1} (\frac{y}{x} )\\\\\theta = tan^{-1} (\frac{4.3}{3.2} )\\\\\theta = 53.3 \ ^0

The magnitude of the wire length is calculated as follows;

|l | = \sqrt{3.2^2 + 4.3^2} = 5.36 \ cm = 0.0536 \ m

The component of the force in negative z-direction is calculated as;

F_z = -ILB sin(\theta)\\\\F_z = -2.7 \times 0.0536 \times 1.24 \times  sin(53.3)\\\\F_z = -0.144 \ N

Thus, the component of the force in negative z-direction is -0.144 N.

Learn more here:brainly.com/question/22719779

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