What is the speed of a proton if its mass is twice its rest mass?
A. 0.50c
B. 0.68c
C. 0.73c
D. 0.87c
Answer:D
What is the speed of a proton if its mass is twice its rest mass?
A. 0.50c B. 0.68c C. 0.73c D. 0.87c