Page 1: Question 6 (1 point) 1 2 3 Two 28.8 g pith balls. suspended from long strings. are given equal amounts of charges. Due to their like charges, the pith balls repel and move a distance of d = 1.2 mm apart. Use the small angle approximation (sin and tan of the angle is 4 5 6 approximately equal to the angle) and the length of the string is L=6.8cm. The charge on each pith ball is _____ nC. Round your answer to ha ve 2 decimal places. Your Answer: :1 Answer 10 Question 7 (1 point) l \\ l \\ . 8.0 mil \\10'0 Lm \\ | \\ | \\ >4- L: t; '12 +1.0 'uC Three point charges are fixed in place in the right triangle shown below. in which q1= 4.6 [AC and q2 = -7.4 pC. What is the magnitude of the net force on the +1.0 uC charge clue to the other two charges? Round your answer to have two decimal places. Page 1: Your Answer: 1 2 3 Answer 4 5 6 Question 8 (1 point) 8 9 d - - - - proton electron 10 da A proton and an electron are separated by a distance, d=8.19x10-3 m. Calculate the magnitude of the net electric field at point A, a distance da=1.73x10-5 m below the midpoint between the charges. Round your answer to have 2 decimal places. Your Answer: Answer10 Question 9 (1 point) A proton and an electron are separated by a distance d=2.36x10'5 m. Calculate the magnitude of the net electric field at point A. where da=1.90>