?

AP® Physics 1 & 2

Free Version

Upgrade subject to access all content

Difficult

May the Correct Field Be With You

APPH12-P4SXWP

A proton is moving through a vacuum chamber. It is initially moving horizontally to the west at a constant speed. It is observed to accelerate downward. Which field(s) could be responsible for this downward acceleration?

Select ALL that apply.

A

A gravitational field in the downward direction

B

An electric field in the downward direction

C

A magnetic field in the southern direction

D

A magnetic field in the northern direction