Concept explainers
(a)
The direction and speed of the particles inside the container moving horizontally at the speed v, with respect to the desk collides elastically with the wall, which is at rest with respect to the desk, and then the particles rebound.
(b)
The direction and speed of the particles inside the container moving horizontally at the speed v, with respect to the desk, collides elastically with the wall, which is moving in the same direction as the particles, only with a lower speed than the particles, then the particles rebound.
(c)
The direction and speed of the particles inside the container moving horizontally at the speed v, with respect to the desk collides elastically with the wall, which is moving in the direction opposite to that of particles, with a lower speed than that of the particles, then the particles rebound.
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College Physics
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