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Now consider an atom consisting of two electrons, each of charge -e, embedded in a sphere of charge +2e and radius R. In equilibrium, each electron is a distance d from the center of the atom (the figure (Figure 1) ). Find the distance d in terms of the other properties of the atom.
the center of a 1.50 diameter spherical pocket of oil is 1.00 beneath the Earth's surface.Estimate by what percentage directly above the pocket of oil would differ from the expected value of for a uniform Earth?suppose the density of oil is 8.10^2 ..
Three capacitors having capacitances of 8.1 uF , 9.0 uF , and 4.7 uF are connected in series across a 37-V. potential difference. What is the total energy stored in all three capacitors
A person with a mass of 52 kg runs with a speed of 6.8 m/s jumps onto the outer rim of a merry-go-round. What is the mass (in kg) of the merry-go-round
A rocket is traveling at speed V along the x axis of frame S. It emits a signal (for example, a pulse of light) that travels with speed c along the y' axis of the rocket's rest frame S'. What is the speed of the signal as measured in S?
A series circuit is connected to a 220-V, 60-Hzpower supply. The circuit has the following components: a 16? resistor, Compute the rms voltage across the resistor
What if, instead, you threw the flashlight away from you to change your momentum toward the spacecraft. If the flashlight had a mass of 2.00-kg and traveled at a speed of 10.0 m/s, how long would it take you to get back
An underwater scuba diver sees the Sun at an apparent angle of 36.0° from the vertical. What is actual direction of the Sun
A system consists of N particles that can occupy two energy levels: a nondegenerate ground state and a three-fold degenerate excited state, find the number of particles in the ground state and in the excited state
The index of refraction for crown glass is 1.512 at a wavelength of 660 nm (red), what is the angle of refraction for each wavelength
A person in the air above the water in a swimming pool looks straight down into the water (n = 1.33) at a diamond ring that lies on the bottom of the pool. what is the depth of the water
An airplane is flying with a velocity of 97.0 at an angle of 25.0 above the horizontal. while the plane is a distance 103 directly above a dog that is standing on level ground, a suitcase drops out of the luggage compartment. How far from the dog ..
If you drop an aspirin and it takes 0.18 sec to hit the table, how high above the table was the aspirin when it released?
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