A sphere with a radius of half a centimeter is having a 1kv potential. A proton which was (at the beginning) on the surface of the sphere is suddenly let loose to go off. At what speed will the proton be travelling when it is 1.0cm away from the surface?

Q: pion

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Relativistic Energy and Momentum

According to classical physics, time flow is the same for every observer. But according to einstein's theory, time flow is different for different observers. The idea that time flow is not the same for all may sound strange because we may not experience this effect in everyday life. This effect is only observed when an object moves with some velocity comparable to the velocity of light. This velocity is termed relativistic velocity.