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The vector A⃗ A→ has a magnitude of 5.0 mm and makes an angle of 60...

The vector A⃗ A→ has a magnitude of 5.0 mm and makes an angle of 60 degrees above the positive x-axis. The vector B⃗ B→ has components Bx = 2.5 mm and By = -2.5 mm . Find the direction of A⃗ −B⃗ A→−B→, relative to the positive x-axis.

85 degrees
-14 degrees
90 degrees
20 degrees
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