Help
Contact
For teachers and institutes
Search courses, problems, tests…
A
A
>_
StemPy Lab
Courses ▾
Problems ▾
Practice ▾
Mock Tests
Classes
Community ▾
A
A
In the kinetic theory, why do we write vx² = 13v²? | StemPy Lab
Quizzes
/
In the kinetic theory, why do we write vx² = 13v²?
Physics
Easy
High School (11–12)
Heat & Thermodynamics › Kinetic Theory of Gases
Created by
StemPy Lab
In the kinetic theory, why do we write
v
x
2
ˉ
=
1
3
v
2
ˉ
\bar{v_x^2} = \tfrac13\bar{v^2}
v
x
2
ˉ
=
3
1
v
2
ˉ
?
The pressure acts on three walls at once
The molecules move at random, so no direction is special
Every molecule moves along one axis at a time
Collisions with the walls remove two thirds of the energy
Check Answer
Log in to save
Tag someone
⚑ Report
← All Quizzes
← A molecule of mass m hits a wall at right angles with the velocity component vx and bounces back elastically. The change in the momentum of the molecule is
A 2.8 L vessel is filled with a gas to 145 kPa. How much translational kinetic energy do all its molecules carry together? →
More on
Heat & Thermodynamics › Kinetic Theory of Gases
Discussion (0)
Log in
to join the discussion.
Loading…
All questions on this topic →
Problems on this topic
A single argon atom (molar mass 0.040 kg/mol) moves to and fro along the axis of a cylinder…
Advanced
A gas centrifuge is a long hollow cylinder of radius 0.12 m that spins about its own axis, as shown…
Advanced
A rigid vessel of volume 2.0 × 10⁻³ m³ is kept at 300 K…
Advanced
Nitrogen fills a vacuum chamber at 300 K…
Hard
All problems on this topic →
Created by StemPy LabCreated by StemPy Lab