Question

155. In a particle accelerator, an alpha particle of mass 6.64
x 10-27 kg is accelerated to high speed from rest. The
total amount of work done on the alpha particle is equal
to 7.71 x 10-10 J. Which one of the following is closest
to its final speed ?
(a) 0.80c
(b) 0.90 C
(C) 0.85 c
(d) 0.95 c​

Answer 1

Answer:

C is the right answer for this question