physics, science

if proton is fired from west is moved to north by magnetic field what is direction of magnetic field

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  1. F = q V x B

    The force bends the proton path north.
    q is a positive number.

    B must have a vertical up component to make v x B point north.

    B can also have a component along the east-west line, since it will not result in a magnetic force.

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