A proton moves across the Earth's equator in a northwesterly direction.At this point the Earth's magnetic field has a direction due north and is parallel to the surface.What is the direction of the force acting on the proton at this instant?
A) toward the northeast
B) into the Earth's surface
C) toward the northwest
D) out of the Earth's surface

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The Answer of A proton moves across the Earth's equator in a northwesterly direction.At this point the Earth's magnetic field has a direction due north and is parallel to the surface.What is the direction of the force acting on the proton at this instant?
A) toward the northeast
B) into the Earth's surface
C) toward the northwest
D) out of the Earth's surface

A Proton Moves Across the Earth's Equator in a Northwesterly