An electron initially at rest is accelerated across a potential difference of 3.00 kV. What are its wavelength, momentum, kinetic energy, and total energy?
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An electron initially at rest is accelerated across a potential difference of 3.00 kV. What are its wavelength, momentum, kinetic energy, and total energy?
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- Suppose a proton is moving at 1.25 % of the speed of light. a)Calculate the wavelength, in meters, of a photon that has the same momentum as this proton. b) What is the energy of the photon, in megaelectron volts? c) What is the kinetic energy of the proton, in megaelectron volts?A proton has a de Broglie wavelength of 81.20 fm. What is its speed? m/sIf the wavelength of an electron is 4.58 ✕ 10−7 m, how fast is it moving? km/s(b) If the electron has a speed equal to 3.80 ✕ 106 m/s, what is its wavelength? m
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