电子课程

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Showing the conservation of linear momentum

Showing the conservation of linear momentum and the conservation of energy

The one with double mass collides into the stationary one

A moving car collides into a stationary one of double mass

Two cars with different velocities have a head-on collision

A moving one collides into a stationary one

Experimental investigation of conservetion of linear momentum in case of closed system of particles

Dynamic mass measurement with elastic collision of cars

Dynamic mass measurement with inelastic collision of cars

Illustrating the concept of steadily slowing speed using the speed-time graphs.

Illustrating the concept of steadily slowing speed using the speed-time graphs.

使用位置-时间和速度-时间图研究圣诞老人的动作。

Representing the usage of Microscope

一本关于电子课程的图标含义及其使用的可能性的指南。

驯鹿是特殊的动物。 让我们看看为什么。

让我们一起来庆祝万圣节。

圣诞节出现状况！ 帮助圣诞老人，否则他就无法将礼物送达。

让我们一起为假期做准备吧！