An accelerating voltage of 2415 V is applied to an electron gun, producing a beam of electrons originally traveling horizontally north in vacuum toward the center of a viewing screen 32.0 cm away.
(a) What are the magnitude and direction of the deflection on the screen caused by the Earth's gravitational field?
Magnitude___________
b) What are the magnitude and direction of the deflection on the screen caused by the vertical component of the Earth's magnetic field, taken as 20.0 mT down?
Magnitude __________