Relativity might seem far removed from daily life, but even some older technologies had to take it into account. The electrons that draw the picture on the screen in an old-fashioned television set are accelerated through a potential difference of 18.0 kV.
Required:
a. Calculate the speed of the electrons using the Newtonian formula for kinetic energy.
b. Calculate the speed of the electrons using the relativistic formula for kinetic energy.
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