A 52.7 g ball of copper has a net charge of 2.2 μC. What fraction of the copper's electrons have been removed? (Each copper atom has 29 protons, and copper has an atomic mass of 63.5.)
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- Two charges are located on the x axis: q₁ = +8.7 µC at x₁ = +5.9 cm, and q2 = +8.7 μC at x₂ = -5.9 cm. Two other charges are located on the y axis: 93 = +3.2 μC at y3 = +5.2 cm, and 94 = -11 μC at y4 = +6.8 cm. Find (a) the magnitude and (b) the direction of the net electric field at the origin. 92 I 1 94 1 43 1 1 1 91--+xFour identical metallic objects carry the following charges: +1.96, +6.43, -4.96, and -9.55 μC. The objects are brought simultaneously into contact, so that each touches the others. Then they are separated. (a) What is the final charge on each object? (b) How many electrons (or protons) make up the final charge on each object?I can’t answer in scientific notation for example 10^. Thanks
- A plane flies 36.0° north of east for 1.80 km to get to city B. The trip takes 3.00 hours. The plane departs city B and travels due west to reach city C. City C is 811 km from city B and the trip takes 1.80 hours. Let the positive 2-direction point due east and the positive y-direction point due north. a) Which vector below represents the plane's average velocity? N B E OĎOther than their charges, two conducting spheres are identical. Sphere A has a charge of 2 µC and Sphere B has a charge of 8 pC. The spheres are brought into contact with each other. What is the charge on Sphere B after they are separated? O 10 uC 3 uC O 5 µC O O uCFour identical metallic objects carry the following charges: +1.49, +6.33, -4.69, and -9.03 µC. The objects are brought simultaneously into contact, so that each touches the others. Then they are separated. (a) What is the final chatge on each object? (b) How many electrons (or protons) make up the final charge on each object? (a) Number i Units (b) Number i Units
- Two metal spheres, each of radius 4.2 cm, have a center-to-center separation of 1.9 m. Sphere 1 has a charge of + 1.5 x 10° C; sphere 2 has a charge of - 3.4 x 108 C. Assume that the separation is large enough for us to assume that the charge on each sphere is uniformly distributed (the spheres do not affect each other). With V= 0 at infinity, calculate in volts (a) the potential at the point halfway between their centers and the potential on the surface of (b) sphere 1 and (c) sphere 2. (a) Number i Units (b) Number i Units (c) Number i UnitsFour identical metallic objects carry the following charges: +1.80, +6.49, -4.30, and -9.07C. The objects are brought simultaneously into contact, so that each touches the others. Then they are separated. (a) What is the final charge on each object? (b) How many electrons (or protons) make up the final charge on each object?An aluminum nail has an excess charge of +6.4 µC. How many electrons must be added to the nail to make it electrically neutral? 5.0 × 10-14 4.0 × 101⁹ 3.2 x 1016 4.0 × 1013 O 3.2 x 106
- A 60-g ball of copper has a net charge of 3 μC. What fraction of the copper's electrons have been removed? (Each neutral copper atom has 29 protons and 29 electrons, and copper has an atomic mass of 63.5 a.m.u.)An amoeba has 1.00 x 1016 protons and a net charge of 0.300 pC. Assuming there are 1.88 x 106 fewer electrons than protons, If you paired them up, what fraction of the protons would have no electrons?A 46.9 g ball of copper has a net charge of 2.9 uC. What fraction of the coppers electrons have been removed ? ( each copper atom has 29 protons and copper has an atomic mass of 63.5)