tion 8 Three point charges, A, B, and C, are arranged in a line as shown. Object A is positively charged. (Just to ver be clear, on the diagram, B is attracted to A and B is also attracted to C.) The charges on B and C d respectively must be ed out 0 ag On tion FAB Fac Select one: O a. positive, negative O b. positive, positive O c. negative, positive O d. negative, negative Clear my choice tion 9 Three point charges, A, B, and C, are arranged in a line as shown. Determine the net electrostatic force let acting on charge B. ered and outClear my choice estion 9 Three point charges, A, B, and C, are arranged in a line as shown. Determine the net electrostatic force t yet acting on charge B. wered rked out .0 0.60 m 1.50 m A B C Flag stion +30 UC -40 UC +80 UC Select one: O a. 17 N, left O b. 17 N, right O c. 43 N, left O d. 43 N, right stion 10 Two positive point charges are placed as shown in the diagram. At point P the magnitude of the electric vet field due to charge A is 6 0 N/C The magnitude of the electric field due to charge R at point P is 4 0 N/C.stion 10 Two positive point charges are placed as shown in the diagram. At point P the magnitude of the electric yet field due to charge A is 6.0 N/C. The magnitude of the electric field due to charge B at point P is 4.0 N/C. wered Determine the net electric field at point P. ked out .0 lag stion N B Select one: O a. 7.2 N/C, 56 N of E O b. 7.2 N/C, 56 E of N O c. 10 N/C, 56 N of E O d. 10 N/C, 56 E of Nstion 11 An 8.20 x 10-15 kg oil drop is moving upwards at a constant speed of 1.60 m/s between two horizontal yet parallel plates. If the electric field strength between the plates is 2000 V/m, determine the magnitude of vered the drop's charge. ed out Select one: ag O a. 1.6 x 10-19 C tion O b. 4.0 x 10-17 c O c. 2.5 x 10-2 C O d. 250 C tion 12 A proton that starts from rest is accelerated through a 1.0 megavolt potential difference. It reaches a er maximum possible speed (ignoring relativistic effects) of ed out Select one: O a. 1.4 x 104 m/s g O b. 1.4 x 10 m/s ion O c. 1.9 x 10 m/s O d. 1.9 x 1014 m/sstion 13 A uniform electric field of 440 N/C exists between two large metal plates that are 40.0 cm apart. The ver potential difference between the plates is d ed out 0 Select one: ag O a. 1.76 x 104 V tion O b. 1.10 x 103 v O c. 176 V O d. 110 V Clear my choice tion. 14 Four free-body diagrams for an oil drop are drawn. Identify the free-body diagram that best describes an et oil drop that is moving at constant velocity. ered ed out iv Fe Fe g A Feuestion 14 Four free-body diagrams for an oil drop are drawn. Identify the free-body diagram that best describes an ot yet oil drop that is moving at constant velocity. swered arked out ifi iv 1.0 Fe Fe Flag Fe estion Fg Fg Select one: Oa. i O b. ii O c. iii O d. iv estion 15 An electron is accelerated from rest across a potential difference between two parallel plates separated byAn electron is accelerated from rest across a potential difference between two parallel plates separated by Not yet 8.0 cm as shown in the diagram. Use the law of conservation of energy to complete the chart. The kinetic nswered energy and potential energy respectively at the 6.0 cm mark are: larked out f 1.0 Flag lestion 200 V 0 2.0 4.0 6.0 8.0 cm Select one: O a. 100 eV, 100 eV O b. 50 eV, 150 eV O c. 150 eV, 50 ev O d. 200 eV, 0 eVollapse Identify the diagram that best represents magnetic field lines around a bar magnet. answered Marked out b. of 1.0 Flag question N N C. d. N S N Select one: O a. A Ob. B O c. C Od. DQuestion 17 A horizontal wire's current (electron flow) is to the right as shown in the diagram. Determine the direction Not yet of the magnetic field on a point that is directly beneath of the wire at point Q. answered Marked out of 1.0 Flag question Q Select one: O a. To the left side of the page O b. To the right side of the page O c. Out of the page O d. Into the page Previous page Next page