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Three point charges are arranged as shown in figure 1 with two +q charges fixed at points (± d, 0) and -2q charge fixed at the point (0, -d). a) Find the Coulomb force acting on the -2q charge in vector form due to two +q charges. b) Find the expression for electric potential V(y) for points along y-axis for y>0. c) Find the electric field in unit vector notation for points along y-axis for y>0. d) Determine the total electrostatic potential energy of three charges.
I am using Snell's law to try and find the index of refraction of two elements, Water and then vegetable cooking oil. I measured the Angle of incidence for water which was 45 degrees, and the angle of refraction which was 32 degrees. How do I find..
a garden hose with a diameter of 0.63in. has water flowingin with a speed of 0.78m/s and a pressure of 1.2 atmosphere. estimate the speed of water in the nozzle
Nichrome wire of cross-sectional radius 0.768 mm is to be used in winding a heating coil. determine the required resistance of the coil
Halley's comet, which passes around the Sun every 76 years, hasan elliptical orbit. When closest to the Sun (perihelion) it is ata distance of 8.823 x 1010 m, Calculate its speed at aphelion
Starting from rest, the sled attains a speed of 1.7 m/s in 8.2 m. Find the coefficient of kinetic friction between the runners of the sled and the snow.
illustrate whatever balance was unpaid, not 25 percent of the total loan. Explain how will the court decide whether Griffin is entitled to testify about the conversation?
Two capacitors with C1 = 4 µF and C2 = 6 µF are connected in series across a 660V supply line. Find the charge on each capacitor and the voltage across each
A tall tree is growing across a river from you. You would like to know the distance between yourself and the tree,as well as its height, but are unable to make the measurements directly. How far away is the tree
Using cylinders 3 cm in diameter and 0.50 m long, students constructed a musical instrument by placing liquid in the cylinders. The temperature was about -10 degrees celcius and they can use the formula for the speed of sound in air:
A 0.450-kg block of wood hangs from the ceiling by a string, and a 7.30×10?2-kg wad of putty is thrown straight upward, How high does the putty-block system rise above the original position of the block
A model of a helicopter rotor has four blades, each of length 3.90 m from the central shaft to the blade tip, What is the linear speed of the blade tip
A proton moving freely in a circular path perpendicular to a constant magnetic field takes 1.00 μs to complete one revolution. Evaluate what the magnitude of the magnetic field
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