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单词 Elastic interaction
释义

Elastic interaction

中文百科

弹性碰撞 Elastic collision

（重定向自Elastic interaction）
Mientras la radiación de cuerpo negro no escape de un sistema, los átomos en agitación térmica experimentan esencialmente colisiones elásticas. En promedio, los átomos rebotan entre sí manteniendo la misma energía cinética después de cada colisión. Aquí, los átomos de helio a temperatura ambiente se muestran retrasados dos trillones de veces. Cinco átomos están coloreados de rojo para facilitar el seguimiento de sus movimientos.
Choque elástico entre dos monedas.
Professor Walter Lewin explaining one-dimensional elastic collisions

弹性碰撞是碰撞前后整个系统动能不变的碰撞。弹性碰撞的必要条件是动能没有转成其他形式的能量（热能、转动能量），例如原子的碰撞。

英语百科

Elastic collision 弹性碰撞

（重定向自Elastic interaction）
As long as black-body radiation (not shown) doesn't escape a system, atoms in thermal agitation undergo essentially elastic collisions. On average, two atoms rebound from each other with the same kinetic energy as before a collision. Five atoms are colored red so their paths of motion are easier to see.
Professor Walter Lewin explaining one-dimensional elastic collisions

An elastic collision is an encounter between two bodies in which the total kinetic energy of the two bodies after the encounter is equal to their total kinetic energy before the encounter. Elastic collisions occur only if there is no net conversion of kinetic energy into other forms.
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更新时间：2025/6/23 20:54:19