An electron traveling due North with speed 4 × 10⁵ m/s enters a region where the earth's magnetic field has the magnitude 5 × 10^-5 T and is directed downward at 45° below horizontal. What magnitude force acts on the electron?

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The Answer of An electron traveling due North with speed 4 × 10⁵ m/s enters a region where the earth's magnetic field has the magnitude 5 × 10^-5 T and is directed downward at 45° below horizontal. What magnitude force acts on the electron?

An Electron Traveling Due North with Speed 4 × 105

An Electron Traveling Due North with Speed 4 × 10⁵