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A capacitor is made from two hollow, coaxial, iron cylinders, one inside the other. The inner cylinder is negatively charged and the outer is positively charged; the magnitude of the charge on each is 19.0pC. The inner cylinder has a radius of 0.300mm, the outer one has a radius of 6.40mm, and the length of each cylinder is 20.0cm.Part AWhat is the capacitance?Use 8.854×10^?12 F/m for the permittivity of free space.Part BWhat applied potential difference is necessary to produce these charges on the cylinders?
A current of 2.0 A is flowing along the z-axis in the positive z direction from the origin to z=-2 m. Find the magnetic field, Which field is the strongest and Why
The ground-state energy of an electron confined along the x-axis is 6.92×10-18 J. What is the approximate length of the region to which the electron is confined
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The "size" of the nucleus in Rutherford's model of the atom is about 1.00 fm = 1.00E-15 m. Determine (in MeV) the electrostatic potential energy of the pair of protons
Two 8.0mm×8.0mm electrodes with a0.10-mm-thick sheet of Mylar between them are attached to a 9.0V battery. find the electric field before and after the Mylar is withdrawn
Use Maxwell-Ampère's equation to calculate the maximum strength of the B-field on the perimeter of the plates; when is the B-field maximum
a small stone is dropped from the top of a building and strikes the ground 2 seconds later. determine the height of the building and velocity of the when the stone strikes the ground
Find the minimum initial speed of a projectile in order for it to reach a height of 2135 km above the surface of the eartH
An inductor has a 56.6-? reactance when connected to a 60.0-Hz source. What is the maximum current in the inductor
An ideal fluid, of density 0.85 x 10^3 kg/m^3, flows at 0.25 kg/s through a pipe of radius 0.010 m. What is the fluid speed
Find the speed of an electron whose mass is 11,000 times its rest mass. If the electrons travel in the lab through a tube 3.2 km long, how long is this tube in the electron's reference frame?
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