Question 1:

y (m) B 1 A -3 -2 -1 1 2 x (m) Two point charges, A = -2Q and B = 2 Q are located at the positions shown in the figure above. a) What is the force on a charge +q at the origin? jkQqN b) Where would you place a point charge +4 Q such that the net force on q is zero? (z, y) =-211} 3' +113 7' \"\"\"\"\"\"\" 'f i : 3- cm L _____________ 41 -3Q 4 cm +2Q Four point charges are located at the corners of a rectangle as shown in the gure above. Take Q = 8 1210. Find the resultant force on the following. taking into account the units: a.2=cal::l+i:w msui:l+i:lm