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## Homework Statement

One component of a magnetic field has a magnitude of 0.0431 T and points along the +

*x*axis, while the other component has a magnitude of 0.0686 T and points along the -

*y*axis. A particle carrying a charge of +1.70 × 10-5 C is moving along the +

*z*axis at a speed of 4.24 × 103 m/s.

**(a)**Find the magnitude of the net magnetic force that acts on the particle.

**(b)**Determine the angle that the net force makes with respect to the +

*x*axis.

## Homework Equations

F= qvBsinθ

## The Attempt at a Solution

I don't know how to get Bnet, I was thinking it would be by using the pythagorean theorem.