An electron (m = 9.11 10-31 kg) has a speed of 0.50 c. Determine ...

[Awilson837]

An electron (m = 9.11  10-31 kg) has a speed of 0.50 c. Determine the difference between its relativistic kinetic energy and the kinetic energy calculated without considering relativity.
 a. 3.0  10-15 J
  b. 2.0  10-15 J
  c. 1.5  10-15 J
  d. 2.4  10-15 J
  e. 1.8  10-15 J

Question 2

An electron (m = 9.1  10-31 kg) has a speed of 0.90 c. What is the difference between its relativistic momentum and its non-relativistic momentum (in kg m/s)?
 a. 4.3  10-22
  b. 3.2  10-22
  c. 5.4  10-22
  d. 6.5  10-22
  e. 2.5  10-22

[angrybirds13579]

Answer to Question 1

D

Answer to Question 2

B

[Awilson837]

Wow, this really help

[brbarasa]

Thanks for the timely response, appreciate it