An electron with an initial speed of 660,000 m/s is brought to rest by an electric field. what was the initial kinetic energy of the electron, in electron volts?

Kinetic energy of the electron

Explanation:

It is given that,

Initial speed of an electron, u = 660000 m/s

Final speed of the electron, v = 0 (at rest)

The kinetic energy of an electron is possessed due to the motion of an electron. The mathematical formula for the kinetic energy is given by :

m is the mass of electron

Since,

So, the initial kinetic energy of the electron is 1.23 eV. Hence, this is the required solution.

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explanation:

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