An electron, moving toward the west, enters a uniform magnetic field. Because of this field the electron curves upward. The direction of the magnetic field is:. a. towards the north.
b. towards the south.
c. towards the east.
d. towards the west.
e. upward downward

the independent variable, the one that is intentionally manipulated, is whether or not the car hits the barrier.

the dependent variable, the one that you measure the response in, is the distance that the washers travel.

b. lifting dumbbell weight at 20-degree angle from the body after a 45-degree angle