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A sphere of radius a has total charge Q. The volume charge density (in C/m^3) within the sphere is ρ(r) =C/r^2, where C is a constant equal to Q/(4πa). Discover expressions for the electric field both inside and outside the sphere as a function of the radial distance from its center using Gauss's law. Graph the electric field both inside and outside the sphere (on the vertical axis) as a function of the radial distance (on the horizontal axis).
Tim and Rick both can run at a constant speed Vr and walk at the constant speed Vw, (Vw
Boiling Water at High Pressure. When water is boiled under a pressure of 2.00 atm, the heat of vaporization is 2.20 multiply.gif 106 J/kg, Compute the increase in internal energy of the water
A 72 kg man stands on a spring scale in an elevator. Starting from rest, elevator ascends, attaining its maximum speed of 1.20 m/s in 0.80 s.
A box has a partition with 10% of its volume one side. The larger section of the box contains 500 Ar atoms and the smaller 100He atoms. A small hole is put into the partition. At equilibrium, what is the mean number of atoms of each type?
a what is the speed v of an electron whose kinetic energy is 1.5104 times its rest energy? you can state the difference
As a spaceship flies past with speed , you observe that 1.0000 s elapses on the ship's clock in the same time that 1.0000 min elapses on Earth. How fast is the ship traveling, relative to the Earth
Police investigators, examining the scene of an accident involving two cars, measure 72 -long skid marks of one of the cars, Estimate the initial speed of the car assuming a level road
A 5 kg rock is dropped from rest down a vertical mine shaft. How long does it take for the rock to reach a depth of 79 m? Neglect air resistance.
A positively charged particle of mass 7.60 10-8 kg is traveling due east with a speed of 40 m/s and enters a 0.39-T uniform magnetic field. compute the magnitude of the magnetic force acting on the particle
A piñata of mass 3.30 kg is attached to a string tied to a hook in the ceiling. What is the work done by gravity by the time the string is in a vertical position for the first time
A 2200 kg elevator is attached to a 1500 kg counterweight. What power must the motor supply to raise the elevator at 0.5 m/s
"Exciting news, a planet has been discovered orbiting the star closest to us on Earth. Under careful observation, the planet appears to have an average orbital radius of 1.3 A.U. and takes 2.1 years to complete one orbit around the star. What is the..
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