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A small electrically charged particle of mass m=4.0 kg experiences a force of 2.0 N if placed just outside a uniformly charged sphere (charge per unit volume is constant) of radius of r=2m. The particle is allowed to fall into a small hole into the sphere drilled along a diameter, and is observed to undergo simple harmonic motion about the center of the sphere. Find the frequency of the resulting simple harmonic motion.
A storage tank has a diameter of 80 ft, a height of 25 feet, andcontains oil to a height of 15 ft. The suction pumps, whichcan handle 15, 000 bbl/d are started, but the safety valves areclogged and a vacuum is drawn in the tank.
At the top of Earth's atmosphere, sunlight has an average intensity of 1380 W/m^2. at what rate does the Sun radiate energy
if there were two kinds of electrons, you could put 4, not just 2, in a given state. what would be the atomic number of the third largest inert gas in such a world
A bucket of water of mass 14.8kg is suspended by a rope wrapped around a windlass, that is a solid cylinder with diameter 0.290m with mass 12.5kg. What is the time of fall
consider a simple harmonic oscillator. calculate the time averages of the kinetic and potential energies over one cycle
Two identical cars (m = 1350 kg) are traveling at the same speed of 18.9 m/s. What is the magnitude of the total momentum of the two cars
A horizontal wire of length 0.43 m, carrying a current of 6.9 A, is placed in a uniform external magnetic field. Determine the magnitude of the external magnetic field
Identical point charges of +3.6 ?C are fixed to diagonally opposite corners of a square. Find the sign and magnitude of the third charge
A charged isolated metal sphere of diameter 24.0 cm has a potential of 7400 V relative to V = 0 at infinity. Calculate the energy density in the electric field near the surface of the sphere.
A 10cm -diameter cylinder contains argon gas at 10 atm pressure and a temperature of 60?C . A piston can slide in and out of the cylinder. What is the final length of the cylinder
A hollow sphere of radius R has a potential on its surface specified by the function V(R,θ) = Vocos2θ. Find the electric potential inside and outside the sphere
Write an expression for the electric field vector of a uniform plane wave in free space that is propagating in the direction given by a line from the origin to the point (3,0,4), Compute the irradiance of this wave
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