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- A typical AA size rechargeable NiMH battery can store 1100-2100 mAh of electric charge. The small print on the battery in your hand says 1530 mAh. Can you express this amount of electric charge using the usual coulomb units? You are now charging a camera battery. The charger moves 4470 C of electric charge from the negative terminal of the battery to the positive terminal. (In reality the charger moves the negative electrons from the positive terminal to the negative terminal, but this is not important for us right now.) Assuming - incorrectly - that the voltage of the battery remains a constant 3.20 V during the whole charging process, determine the work done by the charger. And now you are charging a capacitor bank for a high-voltage physics experiment. The power supply moves Q = 8990 C of electric charge in the charging process. The supply is set to stop, when the voltage reaches AV = 710 V. How much work did the power supply perform?Suppose that all the electrons are removed from a copper coin, whose mass is 2.7 g, and they are placed at 2 meters from the remaining copper nucleus. What is the magnitude of the electrical attractive force on electrons? In each copper atom there are 29 electrons. 9 mol' (Consider: M = 55,8- NA = = 6,022x1023 atoms molConsider the ion He,2* (charge on each nucleus A or B is Z=2). e2 r12 TA2 r81 T82 TAL R A
- In what way or ways would the physical universe be different if protons were negatively charged and electrons were positively charged? Gravity would be a repulsive force instead of an attractive one. Since protons are more massive, the universe would acquire a net negative charge. The value of the Coulomb constant k would change. Like charges would attract, and opposite charges would repel. Atoms would consist of protons orbiting a nucleus composed of electrons and neutrons. There would be no difference other than the sign on the charged particles.Two electrons in an atom are separated by 1.6 × 10-10 m, the typical size of an atom. What is the force between them? Coulomb constant is 9 × 10⁹ Nm²/C². Answer in units of N. The T 06What is the force of repulsion between two argon nuclei when separated by 2nm? The charge on an argon nucleus is +20e
- Two electrons in an atom are separated by 1.6 × 10^−10 m, the typical size of an atom. What is the force between them? The Coulomb constant is 9 × 10^9 N · m^2/C^2 . Answer in units of N.8.987 x 10° N - m² /C2. Vacuum permitivity, eo Use the following constants if necessary. Coulomb constant, of the Charge of one electron, e = symbol carries their usual meaning. For example, µC means micro coulomb . 8.854 x 10 12 F/m. Magnitude 9.10938356 x 10-31 kg. Unless specified otherwise, each 1.60217662 x 10-19 C. Mass of one electron, m. Suppose you have 5 point charges q to gs distributed along a semi-circie maintaining equal distance. The charge gs is at the center of the circle. The -27 μC. radius of the semi-circle is R 28 cm and the magnitude of the charges are as follows : 91 95 = 24 µC, 92= q4 29 µC and qs a) Find the vector that points from qi to gs and call it1,6- z component of the vector Give your answer to at least three significance digits. y component of the vector Give your answer to at least three significance digits. m e) Find the vector that points from q4 to ge and call it F46 I component of the vector Give your answer to at least three significance digits m…Because of their net negative charge, bacteria are easily attracted to and adhere to surfaces on which they can proliferate, forming bacterial biofilms, thin films of bacteria coating the surface. Bacterial biofilms are especially problematic on indwelling medical devices (IMDS), which are devices inserted into a patient and include catheters, heart valves, and artificial joints. Contaminated IMDS are the most common source of infection in humans. A number of mitigation methods are in use today, including antibacterial graphene oxide coatings and the use of electric fields and surface charges to repel bacteria. In a hospital operating room, due to an unexpected complication in the surgical procedure, and in violation of protocol, a catheter that was removed from its sterile pouch before the complication is being used hours after being exposed to the air in the room. The catheter, which can be modeled as an insulating cylindrical shell with a length { = 40.0 cm, inner radius a = 2.00 mm…
- There are approximately 2.97 trillion (2.97x10^12) electrons stored in a small, electrical component in your calculator. The charge on an electron is 1.60x^-10C. what charge is stored in the component? Report your answer in muC rounded to the nearest hundredths place.An α particle located in the molecules of a helium atom was observed to have mass 6.11*10^-27kg and 2eV. Calculate the force of electric repulsion or attraction between the α particles and compare them with gravitational force of attraction between themb An ion with 13 protons, 14 neutrons and a 6. charge of 3+ has an atomic number of: A 13 В 14 C17 D 27.