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Find the resultant of the three vectors `vec(OA), vec(OB)` and `vec(OC)` shown in figure. Radius of the circle is R. |
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Answer» OA=OC `vec(OA)+(OC)` is along `vec(OB)` (bisector ) and its magnitude is `2Rcos45^0=Rsqrt2` `vec((OA)+(vecOC))+vec(OB)` and its magnitude is `Rsqrt2+R=R(1+sqrt2)` |
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