Used along with a catapult assembled from a fork and rubber band included in the air track set (1021090), the launch apparatus imparts uniform, reproducible launch momentum to a glider which is dependent on the tension in the rubber band ...
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置于磁化板上演示几何光学实验。光从1到5个射线孔处发射出,通过可旋转的面镜发生偏转,这样来自投影的光是平行的,或是发散的,或是会聚的;它用于反射、衍射实验和透镜实验。1到2个发散光射线可以在多射线投影仪的反向边获得,它们的合成光线可通过面镜调节。
灯:12V,55W
连接线:1.5m长,带有4毫米的插孔
规格:150×200×50 mm
重:0.9 kg
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Pair of balls with identical mass and sliding plotter electrode for experiments on elastic collisions that can be demonstrated by means of powder tracing. Made of red plastic with metal ball chain.
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