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A parallel-plate air capacitor of area A=14.0cm^2 and plate separation d=3.00mm is charged with a battery to a voltage 68.0V. If a dielectric material with kappa=3.90 is inserted so that it fills the volume among the plates (with the capacitor still connected to the battery), how much additional charge will flow from the battery onto the positive plate?
What is the smallest thickness of a soap film (n =1.36) that would appear black if illuminated by 470 nm light? Suppose there is air on both sides of the soap film.
Two air carts of mass m1=.84 kg and m2=.42 kgare placed on a frictionless track. How much energy is stored in the spring bumper
A neutron star has a mass of 2.0*10^30 kg (about the mass of our sun) and a radius of 5.2*10^3 m (about the height of a good-sized mountain). assume an object falls from rest near the surface of such a sta
in rl ac curcuit.when the applied voltage is equal to 4.50 v the current also has a non-zero value. when the applied
Determine the electrostatic potential energy of an electron in the ground state of the hydrogen atom
A wave function for a free particular particle is given by ψ(x) = (α / π)^(1/4)e^{-α[(x-a)^(2)]}/2, where α is a real, positiveconstant. Sketch the probability distribution for this particle. What is (show by explicitintegration)?
A charge q = -6.0 µC is moved 0.25 m horizontally to point P in a region where an electric field is 250 V/m directed vertically, as shown. What is the change in the electric potential energy of the charge?
What is the mean number density of galaxies within the half mass radius? Suppose the typical physical cross section of a galaxy is 10^-3 Mpc^2
A beam of monochromatic green light is diffracted by a slit of width 0.650 millimeter. The diffraction pattern forms on a wall 2.06 meter beyond the slit. Determine the wavelength of the light
A hot air heating system rated at 84,000 Btu/hr has an efficiency of 65%. determine the temperature of the outlet air
three particles are fixed on an x axis. particle 1 of charge q1 is at x -a and particle 2 of charge q2 is at x a. if
A beam of light traveling in a block of glass (n=1.60) is incident on the top surface at an angle of 55° with respect to the normal. What is the maximum possible index of refraction of the oil
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