Thinking about the effects of the positively charged electrophorus, what if we instead hold the electrophorus near the sphere and touch the opposite side of the sphere with our hand • What happens to the electrons in the sphere as the electrophorus is placed near it? • What will happen when we tap the opposite side with out neutrally-charged hand? At these scales, air is an insulator.
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- Three point charges are arranged in a triangle as shown in the figure. Q2 D12 • Point charge Q, has a charge of 4.96 nC. • Point charge Q2 has a charge of 6.12 nC. • Point charge Q3 has a charge of 2.25 nC. 1 • Point charges Q1 and Q2 are separated by a distance D12 of 0.146 m. • Point charges Q2 and Q3 are separated by a distance D23 of 0.565 m. • Point charges Q1 and Q3 are separated by a distance D13 D13 of 0.558 m. What is the electrostatic potential energy Utot of this configuration of charges? Assume that zero potential energy corresponds to all the charges being infinitely far apart. J U totUnreasonable ResultsA wrecking yard inventor wants to pick up cars by charging a 0.400 m diameter ball and inducing an equal and opposite charge on the car. If a car has a 1000 kg mass and the ball is to be able to lift it from a distance of1.00 m: (a) What minimum charge must be used? (b) What is the electric field near the surface of the ball? (c) Why are these results unreasonable? (d) Which premise or assumption is responsible?A. •B •C The electric field is uniform in this region. A is at (3,2,0) m, C is at (8,0,0) m, and É = (-200, –400, 0) N/C. What is AV along a path form A to C. %3D
- Three point charges are arranged in a triangle as shown in the figure. Q2 D12 • Point charge Q, has a charge of 4.96 nC. 3. • Point charge Q2 has a charge of 6.52 nC. • Point charge Q3 has a charge of 1.45 nC. • Point charges Q1 and Q2 are separated by a distance D12 of 0.156 m. • Point charges Q2 and Q3 are separated by a distance D23 D23 of 0.605 m. • Point charges Q1 and Q3 are separated by a distance D13 D13 of 0.618 m. What is the electrostatic potential energy Utot of this configuration of charges? Assume that zero potential energy corresponds to all the charges being infinitely far apart. J Utot =Please asap•% Two charges, qa and q are located at the center of spherical cavities of radius a and b within a conducting sphere of radius R. Find the charge densities a, b, and R. Find Ē (r>R). Find Ewithin each cavity. What are the forces on qe and qb? 2°
- & Scenario 3: A and D touch and are separated, then D and C touch and are separated, then D and A touch and are separated, then A and B touch and are separated. QA=Hello! Please provide detailed solutions as this is will be a preparation for my finals. Thank you! TOPIC: COULOMBS LAW Two point charges q1 and q2 are separated by a distance of 1 m. Find the neutral point if q1= 3nC and q2=4nC. I have attached the reference formulas that we are using. Thank you!Consider three very large, parallel plates that are equally spaced as shown in the figure below. These plates are insulators, and each is charged uniformly with 20 µC/m4. Find the electric field at point B. • B •D The magnitude of the field, E = Units Select an answer v The direction of the field is Select an answer vII Review | Constants | Periodic Table An electric field Ẽ = (1.7×105 N/C, right) causes the 5.0 g ball in (Figure 1) to hang at a 20° angle. Part A What is the charge on the ball? Express your answer in nanocoulombs. ? q = Submit Request Answer Provide Feedback Next > Figure 20° 5.0 g