If the kinetic energy of an electron is 3.9e-18 J, what is the speed of the...

Question

Question

If the kinetic energy of an electron is 3.9e-18 J, what is the speed of the electron? (You can use the approximate (nonrelati

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Answer 1

Answer #1

Limetic enngy (ke) 3 9 10-18 3.9x10 2 2 x3-9* /D V 3.9x D 18 2 me 3 efectron 9.1x 10 Whene mass 2X3.9xlo18 V 2.93 /D lectran

Answer 2

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