A5.00 kg crate is on a 21.0° hill.
using x-y axes tilted down the
plane, what is the y-component
of the weight?
(unit = n)

An electron moving at 5.06 103 m/s in a 1.23 t magnetic field experiences a magnetic force of 1.40 10-16 n. what angle does the velocity of the electron make with the magnetic field? there are two answers between 0° and 180°. (enter your answers from smallest to largest.)