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The rectangle shown in Figure P3.57 has sides parallel to the x and y axes. The position vectors of two corners are A = 9.50 m at 50.0° and B = 12.0 m at 28.5°.
(a) Find the perimeter of the rectangle. m
(b) Find the magnitude and direction of the vector from the origin to the upper right corner of the rectangle. m at .°
counterclockwise from the +x axis.
If 45 g is suspended at 25 degree, 105 g is suspended at 85 degree, and 65 g is suspended at 330 degree, what mass must be suspended at what angle to balance these three forces?
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