Wolfram|Alpha

Computing...

Input information:

relativistic momentum |  \nvelocity | 0.8 c  (speed of light)\nmass | e^-  (electron): 510.9989 keV\/c^2


Result:

momentum | 681.3 keV\/c\n= 3.641×10^-22 J s\/m  (joule seconds per meter)\n= 3.641×10^-22 kg m\/s  (kilogram meters per second)


Equation:

p = (m v)\/sqrt(1 - v^2\/c^2) |  \np | momentum\nv | velocity\nm | mass\nc | speed of light (~~ 2.998×10^8 m\/s)

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