l. Two point charges are located as follows: charge qu +6.00 HC is at (-2.00, 2.

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l. Two point charges are located as follows: charge qu +6.00 HC is at (-2.00, 2.00) m, charge q2 8,00 HC is at (8.00, 10.00) m a. Determine the magnitude and polar angle of the electric force on a charge, q3 -5.00 HC, pla (8.00, 2.00) m b. What is the magnitude and polar angle of the electric field at the position of q3, that is, (8.00, 2.00) m in problem a? 2. Two point charges lie along the x axis. Charge q +12.0 uC is at x 5.0 m, and charge q2 19.0 HC is at x +7.0 m a. What is the distance between q1 and q2? b. In what region (s) will the electric field be zero? c. Locate the distance (other than infinity) from ql where the total electric field is d. What is the x-coordinate of this point where the total electric field is zero? a. How many atoms are there in 6.50 kg of plutonium given that its atomic mass is 244? b. How many electrons are there in the 6.50 kg of plutonium given that each plutonium atom has 93 electrons? c. If the plutonium attains a charge of +45 HC, how many electrons were removed? d. What fraction of the plutonium's electrons has been removed? 8.0 (a) Determine the electric potential energy of the system show in Figure 4 (b) Take y cm and X 6.0 cm upper right Find the electric potential, taking zero at infinity, at the corner (the corner without a charge) of the rectangle in Figure 4 4.0 (c) How much work is required to place a -4.00 uC charge at that corner? Figure 4 parallel-plate capacitor has plates 3.0 cm by 4.0 cm. The plates are separated by a 2 mm thickness of A paper a) Calculate the capacitance of this device can e b) If the dielectric strength given in the table is the maximum electric field that capacitor, calculate the maximum potential difference between the plates c) Calculate the maximum charge that can be placed on the capacitor. d) Calculate the energy stored in the capacitor e) Calculate the energy density of the capacitor Dielectric Constants and Dielectric Strengths of various Materials at Room Temperature Dielectric Dielectric Suength (V/m) Material Constant K 16 x 10 Paper 3.7

Explanation / Answer

I think that 5c

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