Review | Constants Part A Coulomb's law for the magnitude of the force F between two particles with charges Q and Q' separated by a distance d is What is (Fnet 3)z, the x-component of the net force exerted by these two charges on a third charge q3 = 53.5 nC placed between q, and q2 at 13 = -1.250 m? d2 Your answer may be positive or negative, depending on the direction of the force. Express your answer numerically in newtons to three significant figures. where K = - , and 0 = 8.854 x 10-12 C2 /(N . m?) is the View Available Hint(s) permittivity of free space. Consider two point charges located on the x axis: for Part A Vido for Pant redo forfart A reset for Part A one charge, q1 = -12.5 nC, is located at 1 = -1.700 m ; the second charge, q2 = 36.5 nC, for Part A keyboard shortcuts for Part A help for Part A is at the origin (x = 0). (Fnet 3) I N = Submit Provide Feedback Next >Item 2 What is the charge on the 5.0 jil capacitor? Express your answer with the appropriate units. Three capacitors having capacitances of 8.3, 8.6, and 5.0 /iF are connected in series across a 40 V potential difference. Q1 = Value c Submit Previous Answers Request Answer * Incorrect; Try Again; 3 attempts remaining Enter your answer using units of electric charge. Part B What is the total energy stored in all three capacitors? Express your answer with the appropriate units HA Value Units Submit Request Answer Part C The capacitors are disconnected from the potential difference without allowing them to discharge. They are then reconnected in parallel with each other, with the positively charged plates connected together. What is the voltage a parallel combination? Express your answer with the appropriate units. V= 91.583 c Submit Previous Answers Request Answer X Incorrect; Try Again; 3 attempts remaining Enter your answer using units of electric potential. Part D What is the total energy now stored in the capacitors? Express your answer with the appropriate units.Review | Constants Part A A parallel-plate vacuum capacitor has 7.56 J of energy stored in it. The separation between the plates is 2.60 mm. If the separation is decreased to 1.85 mm, what is the energy now stored if the capacitor was disconnected from the potential source before the separation of the plates was changed? Express your answer in joules. ? U = Submit Request Answer Part B If the separation is decreased to 1.85 mm, what is the energy now stored if the capacitor remained connected to the potential source while the separation of the plates was changed? Express your answer in joules. UA 0 2 ? U = Submit Request Answer Provide Feedback Next >Find the equivalent capacitance of this system between a and b. (Figure 1) shows a system of four capacitors, where the Express your answer to three significant figures and include the appropriate units. potential difference across ab is 50.0 V. HA C : Value Units Submit Request Answer Part B How much charge is stored by this combination of capacitors? Express your answer to three significant figures and include the appropriate units. HA how ? Q = Value Units Submit Request Answer Part C How much charge is stored in the 10.0 Mil capacitor? Express your answer to three significant figures and include the appropriate units. igure HA Q1 Value Units 5.0 UF Submit Request Answer 10.0 UF 9.0 UF b Part D How much charge is stored in the 9.0 /F capacitor? Express your answer to three significant figures and include the appropriate units. 8.0 uFReview | Constants Part A Electronic flash units for cameras contain a capacitor for storing the energy used to produce the flash. In one such unit, the flash lasts for a time interval of If the conversion of electrical energy to light has an efficiency of 83.0% (the rest of the energy goes to thermal energy). how much 1.41*10 s with an average light power output of energy must be stored in the capacitor for one flash? 3.30*10- W. Express your answer in joules. IVO Submit Request Answer Part B The capacitor has a potential difference between its plates of 135 V when the stored energy equals the value calculated in part A. What is the capacitance? Express your answer in farads. AEd CE F Submit Request Answer Provide Feedback Next >