Question

A positive charge is moving from the floor of a room toward the ceiling. A magnetic field runs from east to west. In what direction is the magnetic force on the moving positive charge?Select one of the options below as your answer:
A. toward the north
B. toward the south
C. toward the east
D. toward the west
E. toward the floor

Answer 1

do you know cross product of two vectors?

Answer 2

nope

Answer 3

would it be c

Answer 4

you have to learn it first...

Answer 5

whats perpendicular again?

Answer 6

nomagnetic feild is pependicular to velocity of charge

Answer 7

force on the charge is perpendicular to both magnetic field and velocity of the charge...
http://hyperphysics.phy-astr.gsu.edu/hbase/vvec.html#vvc1