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A proton has a kinetic energy of 7.5 MeV. What is the speed of an alpha particle that has the same DeBroglie wavelength as thplease answer both questions, thank you!!

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Sala 7 kg kinetic Energy of boton, K = 7.5 Meu 1.20x10-12 mass of proton, mp=1067x1027 mass of alphe particle Ma= 6.65 1027 dSolº 22: Electron Ground state Energy of Eo = -13.6ev Energy of election in a 2p state E, = -1366 o n=2 h2 E, a 3.4 ev KoE= -

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please answer both questions, thank you!! A proton has a kinetic energy of 7.5 MeV. What...
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