A vector of magnitude 13 makes an angle 65.37 . with the x-axis. What is its components along positive y-axis?
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concept : if any vector A makes an angle Θ with x - axis then resolution of vector along x-axis is AcosΘ and resolution of vector along Y-axis is AsinΘ.
given, A vector of magnetic 13 unit makes an angle 65.37° with x - axis. then, component of given vector along positive Y-axis should be 13sin65.37°
as sin(65.37°) = 0.909
so, 13sin(65.37°) = 13 × 0.909
= 11.817 unit.
hence, answer should be 11.817 unit
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