A point charge with charge q₁ = 2.30 μC is held stationary at the origin. A second point charge with charge 92 = -4.90 μC moves from the point (0.140 m, 0) to the point (0.260 m, 0.235 m). Part A How much work is done by the electrostatic force on the moving point charge? Express your answer in joules. ▸ View Available Hint(s) W = ΜΕ ΑΣΦ ? J
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- Part A Two stationary positive point charges, charge 1 of magnitude 3.10 nC and charge 2 of magnitude 1.60 nC, are separated by a distance of 46.0 cm An electron is released from rest at the point midway between the two charges, and it moves along the line connecting the two charges. What is the speed vfinal of the electron when it is 10.0 cm from charge 1? Express your answer in meters per second. > View Available Hint(s) 1 AZ中 να ΑΣφ Ufinal m/s S. Submit « Previous hp |3DTwo 1.8-mm-diameter beads, C and D, are 12 mm apart, measured between their centers. Bead C has mass 1.0 g and charge 2.3 nC Bead D has mass 2.5 g and charge -1.0 nC. Part A If the beads are released from rest, what is the speed vc of C at the instant the beads collide? Express your answer with the appropriate units. ► View Available Hint(s) Vc = Submit Part B UD = μà Submit Value What is the speed up of D at the instant the beads collide? Express your answer with the appropriate units. ► View Available Hint(s) μA Units Value ? Units ?Speed of an Electron between Two Charges Two stationary positive point charges, charge 1 of magnitude 3.60 nC and charge 2 of magnitude 1.60 nC, are separated by a distance of 41.0 cm. An electron is released from rest at the point midway between the two charges, and it moves along the line connecting the two charges. Part A What is the speed Ufinal of the electron when it is 10.0 cm from charge 1? Express your answer in meters per second. ▸ View Available Hint(s) Ufinal = Submit Provide Feedback ΜΕ ΑΣΦ 跖 ? m/s Review IC
- Learning Goal: To understand the relationship and differences between electric potential and electric potential energy. In this problem we will learn about the relationships between electric force F, electric field Ē, potential energy U, and electric potential V. To understand these concepts, we will first study a system with which you are already familiar: the uniform gravitational field. Part B Now find the gravitational potential energy U (z) of the object when it is at an arbitrary height z. Take zero potential to be at position z = 0. Keep in mind that the potential energy is a scalar, not a vector. Express U (2) in terms of m, z, and g. U (z) = Submit ΨΕ ΑΣΦ Request Answer ?Not sure how to find the values for part BPART B ONLY PLEASE
- A homemade capacitor is assembled by placing two 8-in. pie pans 6 cm apart and connecting them to the opposite terminals of a 9-V battery. Part A Estimate the capacitance. Express your answer using one significant figure. 国 C = 5.74 • 10 - 10 F Submit Previous Answers Request Answer X Incorrect; Try Again; 3 attempts remainingIP A parallel-plate capacitor filled with air has plates of area 6.6x10-3³ m² and a separation of 0.36 mm. Part A Find the magnitude of the charge on each plate when the capacitor is connected to a 12-V battery. Express your answer using two significant figures. Q= Submit Part B Submit O Increase O Decrease O Stay the same 17| ΑΣΦ | Will your answer to part A increase, decrease, or stay the same if the separation between the plates is increased? Part D Request Answer Part C Complete previous part(s) Q = Submit Request Answer www. ? Calculate the magnitude of the charge on the plates if the separation is 0.83 mm. Express your answer using two significant figures. IV—| ΑΣΦ 3 Request Answer nC ? nCPart A Two stationary positive point charges, charge 1 of magnitude 3.85 nC and charge 2 of magnitude 1.70 nC are separated by a distance of 39.0 cm An electron is released from rest at the point midway between the two charges, and it moves along the line connecting the two charges. What is the speed vfinal of the electron when it is 10.0 cm from charge 1? Express your answer in meters per second. > View Available Hint(s) ΑΣφ Ufinal m/s
- Part A How strong is the electric field between the plates of a 0.89 µF air-gap capacitor if they are 2.3 mm apart and each has a charge of 67 µC ? Express your answer using two significant figures. Hνα ΑΣφ ? E = V/m Submit Request AnswerNeeds Complete typed solution with 100 % accuracy.Part A The work done by an external force to move a -5.60 µC charge from point A to point B is 1.50x10-3 J. If the charge was started from rest and had 4.72x10-4 J of kinetic energy when it reached point B, what must be the potential difference between A and B? Express your answer with the appropriate units. HẢ ? VB – VA = Value Units