Vector \( \vec{A} \) is of length \( 2 \mathrm{~cm} \) and is \( 60^{\circ} \) above the \( x \)...
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0Vector \( \vec{A} \) is of length \( 2 \mathrm{~cm} \) and is \( 60^{\circ} \) above the \( x \)-axis in the first quadrant. Vector \( \vec{B} \) is of length \( 2 \mathrm{~cm} \) and \( 60^{\circ} \) below the \( x \)-axis in the fourth quadrant. The sum \( \vec{A}+\vec{B} \) is a vector of magnitude -
\( \mathrm{P} \)
(A) 2 along \( +y \)-axis
(B) 2 along \( +x \)-axis
(C) 1 along \( -x \) axis
(D) 2 along \( -x \) axis
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