PracticeMedium
Q.The rest mass energy of an electron is 0.51 MeV. Its energy when moving with speed 0.8c is
a
0.51 MeV
b
0.85 MeV
c
0.765 MeV
d
1.275 MeV
Correct Answer: Option D
The correct solution involves applying the fundamental concept to derive the final value step by step...