Can you help me understand itA=50 B=60 C=160 D=6

Q1. Consider Q; = -B no. Q2: -B gig, Q3: D 51,9, y= 8.0 cm and z= 10.0 cm in the gure: i. To nd electric eld at location Q3, draw the Free body diagram at point of interest on your working paper by using E1 force due to Q1 and E: force due to Q2? ii. Calculate electric elds E1 and E2 and tell the direction of E1 and E3? iii. Calculate the resultant electric field vector at the location of Q3? iv. Calculate the resultant electric force vector on Q3? v. Calculate the electric potential at the location of Q3? . . . D Q2. 3. A battery of 9.0 V IS connected across capacrtors ofcapacrtances C1 : C3 : C4 2C5 = D HE, C: 2 5 HF- % ;_ C" \"3 '3' Calculate the equivalent capacitance gm of the capacitors, you should show your work e" llif by simplifying your circuit part by part or by saying which ones are serially and parallelly connected? H