# A proton has a kinetic energy of 7.5 MeV. What is the speed of an alpha...

###### Question:

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 the proton? The mass of the alpha particle is 6.65E-27 kg. 9517 m/s 9.53E6 m/s 1833 m/s 2.38E13 m/s 0.747 m/s

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