Problem 18.55 v PartA A 0.66-mm-diameter copper wire carries a tiny current of 2.9 MA . The molar mass of copper is 63.5 g/mole and its density is 8900 kg/m3 N 6 02 x 1023 Estimate the electron drift velocity. Assume one free electron per atom. . A = . . Express your answer to two significant figures and include the appropriate units. Elm]? vd = Value Units R_equest Answer Provide Feedback I Review I Constants v PartA At what point(s) along the z axis is the electric field zero? Determine the z-coordinate(s) of the pcint(s). Express your answer using two significant figures. If there is more than one answer, enter your answers in ascending order separated by commas. A2600 1E: cm Submit Previous Answers muest Answer X Incorrect; Try Again; 5 attempts remaining V PartB At what point(s) along the z axis is the potential zero? Determine the z-coordinate(s) of the point(s). Express your answer using two significant figures. If there is more than one answer, enter your answers in ascending order separated by commas. V Part A Two point charges, Q1 = 3.7 [AC and Q2 = -1.5 MG , are placed on the 3: axis. Suppose that Q2 is placed at the origin, and Q1 is placed at the coordinate E1 = _ 4.0 cm At what point(s) along the m axis is the electric field zero? Determine the z-coordinate(s) ot the point(s). (gure 1i. Express your answer using two significant figures. If there is more than one answer, enter your answers in ascending order separated by commas. Amsoo cm m Previous Answers Fl_equest Answer X Incorrect; Try Again; 5 attempts remaining V PartB At what point(s) along the an axis is the potential zero? Determine the x-coordinate(s) of the point(s). Express your answer using two significant figures. If there is more than one answer, enter your answers in ascending order separated by commas. A24) Problem 17.38 V Part A A 0.16-F capacitor is desired. What area must the plates have if they are to be separated by a 3.5-mm air gap? Express your answer using two significant figures and include the appropriate units. A = 6.3 . 10' M2 Submit Previous Answers Request Answer Provide FeedbackProblem 17.50 V Part A A 3500-pF air-gap capacitor is connected to a 32-V battery. If a piece of mica (K = 7) is placed between the plates, how much charge will flow from the battery? Express your answer using one significant figure and include the appropriate units. AQ = 7.8 . 10-7 C Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining I Review | Constants V PartA Particles of charge +65, +48, and 95 MC are placed in a line F' re ii. The center one is L = 50 cm from each of the g; Calculate the net force on the left charge due to the other two, Enter a positive value if the force is directed to the right and a negative value if the force is directed to the left. Express your answer to two significant figures and include the appropriate units. mama.\" 56.75 MN m Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining F +65 = V PartB Calculate the net force on the center charge due to the other two. Enter a positive value if the force is directed to the right and a negative value if the force is directed to the left. Express your answer to two significant figures and include the appropriate units. 1yct/itemView?assignmentProbIemlD=187009204 n - X Incorrect; Try Again; 5 attempts remaining Part B Calculate the net force on the center charge due to the other two. Enter a positive value if the force is directed to the right and a negative value if the force is directed to the left. Express your answer to two significant figures and include the appropriate units. 1 0 0 1 ? F+48 = 51.84 N Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining V Part C Calculate the net force on the right charge due to the other two. Enter a positive value if the force is directed to the right and a negative value if the force is directed to the left. Figure Express your answer to two significant figures and include the appropriate units. - 0 = 1 1 ? F-95 = 219.74 N +65 JC +48 uC -95 uC L L Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining Provide Feedback Next >Problem 16.31 V Part A The two charges are separated by a distance of 2a and point P is at a distance x from the midpoint between the two charges (Figure 1), Q > 0. Determine the magnitude of the electric field at the point P. Express your answer in terms of Coulomb's constant , and the variables Q, x, and a. AEd ? E = Submit Request Answer Part B Determine the direction of the electric field at the point P. O to the left O upward O downward O to the rightv Part A The two charges are separated by a distance of 2a and aim P is at a distance a: from the mid oint between the FWD charges gure 1) Q > 0 p Determine the magnitude of the electric field at the point P. Express your answer in terms of Coulomb's constant k. and the variables Q, cc. and a. \"army-14. E: m Request Answer v PartB Determine the direction of the electric field at the point P. to the left upward downward to the right Previous Answers . s' Correct Figure 1 of 1 Provide Feedback +9 (I M Q P x .I