Author Question: An electron (m = 9.11 10-31 kg) has a speed of 0.50 c. Determine the difference between its ... (Read 40 times)

Awilson837 · **on:** Jul 28, 2018

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