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Three point charges form an equilateral triangle near the origin. Q1 = +5.00 uC at x = 2.5m, Q2 = -5.00 uC at x = -2.5m, both on the x-axis, and Q3 = +7.00 uC at y = 4.33m on the y-axis.
a) What is the value of the electric field E at the origin?
b) What is the electric potential at the origin?
c) What is the potential energy of these three charges?
Air that initially occupies 0.80 m3 at a gauge pressure of 140 kPa is expanded isothermally to a pressure of 101.3 kPa, Compute the work done by the air
Unpolarized light of intensity 1.1 W/m^2 is incident on a polarizer. what is the intensity of the light that leaves the analyzer
The concept of thermionic emission is the basis of modern X-ray tubes, which are the workhorse of a medical X-ray image. In this process a filament (a piece of metal in a vacuum) is heated by the application of electrical current.
A fan is spinning at 900 rpm. When its motor is turned off it makes 75 rev before coming to a stop. Find the moment of Inertia of the fan
A 1100 car traveling at a speed of 40 skids to a halt on wet concrete where = 0.50. How long are the skid marks.
A satellite has a mass of 6079 kg, What would be the true weight of the satellite if it were at rest on the planet's surface
A rectangular coil in the plane of the page has dimensions a = 46.00 m and b = 80.00 m. A long wire that carries a current I = 4.50 A is placed directly above the coil. For what value of x is magnitude of flux through the coil a minimum.
A pot of hot water is boiling on your stove. The pot is in the shape of a round cylinder made of aluminum which is 10 cm in radius. find the temperature of the inner surface of the bottom of the pot
A cylindrical electromagnet contains a uniformly magnetized core having a magnetization of 1.5 x10^6 A/m, Find the magnetic field in the core
A plank 2.00 cm thick and 16.9 cm wide is firmly attached to the railing of a ship by clamps so that the rest of the board extends 2.00 m horizontally over the sea below, find the shear modulus of the wood
A police siren has a frequency of 550 Hz as the police car approaches you and a frequency of 450 Hz after it has passed you and receding, What is the true frequency of the police siren
q1. laser light at 635nm falls on a double-slit apparatus with slit separation 6.910-6m. find out the separation
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