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Determining Magnitude and Direction of a Vector

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A proton moving in a uniform magnetic field with
v1 = 1.19 * 10^6 i [hat] m/s experiences forces
F1 = 1.49 * 10^-16 k [hat] N. A Second proton with
v2 = 2.12 * 10^6 j [hat] m/s experiences
F2 = -3.85 * 10^-16 k [hat] N in the same field

What is the magnitude of B?
B=__________mT

What is the direction of B [vector]? Give your answer as an angle measured ccw from the positive x-axis.
_________degrees.

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This solution assists in determining magnitude and direction of a vector.

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