An electron is moving at a speed of 0.81c nust its kinetic energy increase to raise its s
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- A -0.02C object is placed into a 20V potential. How much energy does it have? -0.8 J O 0.6 J 0.4 J O -0.4 J O -0.6 J 0.8 JThe electronic structure of atoms and molecules may be investigated using photoelectron spectroscopy. An electron in a photoelectron spectrometer is accelerated from rest by a uniform electric field to a speed of 420 km s−1 in 10 µs. Determine the kinetic energy of the electron? a. 8.0 x 10-20 N.m b. 1.6 x 10-25 N.m c. 3.8 x 10-25 N.m d. 4..0 x 10-2 N.mamount of energy 10. In a particular beam of protons, each particle moves with an average speed of 0.8c. Determine the total relativistic energy of each proton in joules and MeVs. 11 A particle of rest energy 140 MeV moves at a sufficiently high speed it traveling?