determine their final speed.

Asked by  | 4th Aug, 2008, 04:29: PM

Expert Answer:

Let the potential difference be V volts.

Mass of electron=m kg

e=charge on an electron

Then :

Work done=Change in kinetic energy

or eV=1/2 m v2

Hence v=(2ev/m)1/2



Answered by  | 8th Aug, 2008, 01:13: AM

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