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March 30, 2017

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The electrons in a TV tube are accelerated from rest through a potential difference of 18kV. Esimate the speed of the electrons after they have been accelerated by this potential difference.

  • physics - ,

    energy=potenial *charge

    energy also is 1/2 m v^2

    you know potential, mass of electron, and charge on an electron. Solve for velocity

  • physics - ,

    79515.55

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