A proton has a total energy of 2.5 10-10 J. How fast is it ...

[mmm]

A proton has a total energy of 2.5  10-10 J. How fast is it moving? (M = 1.67  10-27 kg)
 a. 0.90 c
  b. 0.80 c
  c. 0.70 c
  d. 0.60 c
  e. 0.40 c

Question 2

A proton's rest mass is 1.67  10-27 kg. Calculate its kinetic energy when it is accelerated to a speed of 0.80 c.
 a. 1.0  10-10 J
  b. 1.5  10-10 J
  c. -2.0  10-10 J
  d. 2.5  10-10 J
  e. 7.5  10-10 J

[wuly]

Answer to Question 1

B

Answer to Question 2

A

[mmm]

Great answer, keep it coming

[adammoses97]

Thanks for the timely response, appreciate it