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

question 44

Multiple Choice

A proton moves across the Earth's equator in a northeasterly 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 northwest
• B)out of the Earth's surface
• C)into the Earth's surface
• D)toward the northeast

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