A particle's dynamics are considered "relativistic" when its velocity is a significant fraction of the speed of light. For example, the mass of a moving particle seen by a stationary observer increases in proportion to the square root of 1/(1 - (v/c)2). For typical speeds in the everyday world it is not noticeable, but take a fast moving fundamental particle and you may have apparent mass increases or changes in its lifetime as a consequence of time dilation. Look at this factor for the electron you measured at 100 V in the glass globe. Pick the best answer. The effect is less than 0.1 %. The effect is around 1%. The effect is around 10%. The effect is a factor of 2 change in mass
A particle's dynamics are considered "relativistic" when its velocity is a significant fraction of the
Look at this factor for the electron you measured at 100 V in the glass globe. Pick the best answer.
The effect is less than 0.1 %. |
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The effect is around 1%. |
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The effect is around 10%. |
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The effect is a factor of 2 change in mass. |
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