The angle a vector makes with the x-axis of a coordinate system must be what size in order to make one or more of its components negative? A) Less the 30 degrees B) between 30 and 60 degrees C) between 61 and 90 degrees D) greater then 90 degrees

D) greater than 90 degrees

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An angle greater than 90 degrees will put it in the second quadrant, where the x-component is negative.