Two identical brass balls mounted on wooden posts initially have different amounts of charge: one -14 µC and the other -21 µC. The balls are allowed to touch and then are separated again. What is the final charge on each ball? The final charge on each ball is HC.
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- 3. An isolated system consists of two metal spheres, with sphere 2 having twice the radius of sphere 1. Both spheres are initially charged as shown in the initial figure. The two spheres are then brought into contact with each other so that charge, in the form of electrons, is transferred between them. The spheres are then separated as shown in the final figure, where they have unknown charges, q and q2. Since sphere 2 has twice the radius, it will have twice the amount of charge than sphere 1 in the final state. Find q, q and the number of electrons transferred between the spheres. Hint: The net charge of the two-sphere system is conserved, since it is an isolated system. initial electron transfer between spheres final 91 = +12.0 μC 9₁ = ? q2 = -3.00 μC 9₂ = ?The electroscope is an apparatus used to detect electric charge. The electroscope consists of a plate, a support and thin metal foil that is free to deflect all made of metal. After rubbing a balloon on your sleeve, the negatively charged balloon is brought near to the metallic plate of an electroscope. As a result, the foil of the electroscope deflects. As the balloon approaches the electroscope, what is the net charge on the electroscope? Negative Positive Neutral Cannot be determinedTwo identical metal spheres A and B are connected by a plastic rod. Both are initially neutral. 2.0×1012 electrons are added to sphere A, then the connecting rod is removed. A)Afterward, what is the charge of A?B)Afterward, what is the charge of B?
- Three point charges are located in free space along the x-axis. A positive charge of +2 uC is located at x = 0, a negative charge of -3 μC is located at x = 3 m, and a positive charge of +4 μC is located at x = 6 m. a. Will q1 and q2 attract or repel? Blank 1 b. Will q1 and q3 attract or repel? Blank 2 c. What is the direction of the electrostatic force acting on q1 due to q2? (north, south, east, or west) Blank 3 d. What is the direction of the electrostatic force acting on q1 due to q3? (north, south, east or west) Blank 4 For the following questions, convert your answer into PROPER SCIENTIFIC NOTATION and round the coefficient to two decimal places.(e.g. 5.43 x 10²: 5.43 is the coefficient) What is the magnitude of the electrostatic force on q1 due to q2? Blank 5 x10^Blank 6 N What is the magnitude of the electrostatic force on q1 due to q3? Blank 7x10^Blank 8 N Calculate the net electric force on the positive charge at x = 0 due to the other two charges: Blank 9 x 10^Blank 10 NA rubber rod is rubbed with a soft fur towel in order to clean it. In the process, the rod acquires a charge of -6.4 x10-9 C. a) What is the charge of the soft fur towel? b) How much mass has been transferred to the rod?Please look at the sketch. While keeping the positively charged rod in place, you grab the plastic handle of the bigger sphere and separate it from smaller sphere. You test the charge in the bigger sphere. Which of the following statement is correct? plastic handle Metal spheres in charged contact insulator The bigger sphere has net negative charge The bigger sphere has net positive charge The bigger sphere has no net charge The bigger sphere has more net charge than the smaller sphere ++++++