1.

The kinetic energy of an electron is 4.55 × 10−25 J.The mass of electron is 9.1 x 10−31 kg .The velocity of the electron is .

Answer»

The kinetic energy of an electron is 4.55 × 1025 J.The mass of electron is 9.1 x 1031 kg .The velocity of the electron is .



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