Four point charges of equal magnitude Q=55nC are placed on the corners of a rectangle of sides D1=26cm and D2=11cm

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Four point charges of equal magnitude Q=55nC are placed on the corners of a rectangle of sides D1=26cm and D2=11cm. The charges on the left side of the rectangle are positive while the charges of the right side of the rectangle are negative. Use a coordinate system fixed to the bottom left hand charge, with positive directions as shown in the figure

1)Calculate the vertical component of the net force, in newtons, on the charge which lies at the lower left corner of the triangle.

2)Calculate the magnitude of the net force, in newtons, on the charge located at the lower left corner of the rectangle.

3)Calculate the angle of the net force vector relative to the +x axis, with the positive direction being counterclockwise from the positive horizontal axis. Enter an angle between -180degrees and 180degrees.