How do you calculate the magnitude of vectors?
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The correct answer is magnitude 5.1, angle 79 degrees.
Apply the Pythagorean theorem to find the magnitude. Plug in the numbers to get 5.1.
Apply the equation theta= tan–1(y/x) to find the angle. Plug in the numbers to get tan–1(5.0/1.0) = 79 degrees.
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