7. What is the ordered pair for the missing corner of the rectangle below? (-1.9)
(11,9)
(-1.3)
??

Consider symmetrically placed rectangular insulators with uniformly charged distributions of equal magnitude as shown. x y −−−−−− what is the direction of the net field at the origin?

Write the expression in simplified radical form. show all steps and work including any foil method work. (hint: use the conjugate. no decimal answers.) (9-2√3)/(12+√3)

Asphere has a diameter of 10 in. what is the volume of the sphere?