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A vector in x – y plane makes an angle of 30\degree with y-axis. The magnitude of y-component of vector is  2\sqrt3 . The magnitude of x-component of the vector will be :

Option: 1

2


Option: 2

\sqrt3


Option: 3

\frac{1}{\sqrt3}


Option: 4

6


Answers (1)

best_answer

\begin{aligned} & \mathrm{A}_{\mathrm{y}}=\mathrm{A} \cos 30^{\circ}=2 \sqrt{3} \\ & \mathrm{~A}=4 \\ & \mathrm{~A}_{\mathrm{x}}=\mathrm{A} \sin 30^{\circ}=2 \end{aligned}

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