Author Question: An electron is traveling at 0.85c. What is its mass? (The rest mass is 9.11 10-31 kg.) A) ... (Read 288 times)

APUS57 · **on:** Jul 29, 2018

An electron is traveling at 0.85c. What is its mass? (The rest mass is 9.11 10-31 kg.)

A)

1.4 10-29 kg
B)

7.2 10-30 kg
C)

1.7 10-30 kg
D)

2.4 10-30 kg
E)

4.2 10-30 kg

Question 2

The energy of an electron in the p-level of an atom is changed in the presence of a magnetic field of magnitude 4.6 T.

What is the difference between the largest and smallest possible energies? (Bohr magneton = B = 9.27 10-24 J/T)