relativistic velocity addition 对比 Cathode Ray 的使用情况和统计数据
This app shows the result for the relativistic addition of two velocities. v is the velocity of the orange rocket with respect to Earth. u is the velocity of the red rocket with respect to the orange rocket. The relativistic addition is the velocity of the red rocket with respect to the Earth. c is the speed of light. Plus button increases the velocity by 0.01c and minus button decreases the velocity by 0.01c.
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With this app you can simulate a cathode ray inside an electronic and magnetic field.
You can change the electric voltage and magnetic flux density to check which way the ray goes. For comparison the is also a ray of He-nucleus.
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relativistic velocity addition VS. 
Cathode Ray十二月 24, 2024