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**Problem 3: Electromagnetic Forces on an Electron**

An electron experiences the greatest force as it travels at a speed of \(2.8 \times 10^6\) m/s in a magnetic field when it is moving northward. The force is directed vertically upward and has a magnitude of \(6.2 \times 10^{-13}\) N.

**Question**: What is the magnitude and direction of the magnetic field?

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