haleyehewitt9209 haleyehewitt9209

29-08-2020
Physics

contestada

What is the speed of an electron that has been accelerated to the point at which its total energy is 10.5 times its rest mass

Respuesta :

hopemichael95 hopemichael95

30-08-2020

Answer:

0.995*c= 2.98*10^8m/s

Explanation:

Using

E= mc²

10.5 mc² = mc²/√1-v²/c²

So

1-v²/c²=( 1/10.5)²

V= √1-0.009c

V= 0.995 x 3E8m/s

= 2.98*10^8m/s

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