An electron, moving west, enters a magnetic field of a certain strength. Because of this field the electron curves upward. What is the direction of the magnetic field?
A) towards the north
B) towards the south
C) upward
D) downward
E) towards the west
Question 2
A person has a mass of 45 kg. How much does she weigh on the Moon, where g = 1.62 m/s2?
A) 45 N
B) 73 N
C) 7.4 N
D) 220 N
E) 440 N