Question: An electron, whose mass is 9.11 1031 kg, is accelerated by a positive charge to a speed of 5.0 106 m/s. What is

An electron, whose mass is 9.11 × 10–31 kg, is accelerated by a positive charge to a speed of 5.0 × 106 m/s. What is the kinetic energy of the electron in joules? in calories?

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