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The ground state of the realistic helium atom is of course nondegenerate. However, consider a hypothetical helium atom in which the two electrons are replaced by two identical spin-one particles of negative charge. Neglect spin-dependent forces. For this hypothetical atom, what is the degeneracy of the ground state? Give your reasoning.
a pumpkin is pushed horizontally at a speed of 2.2 m/s off of a desktop that is 0.8 meters above the floor. how far frome the base of the desk
a sphere of radius a in free space is nonuniformly charged over its surface such that the charge density, Compute the total charge of the sphere
A rocket in a fireworks display explodes high in the air. The sound spreads out uniformly in all directions. Find the distance from the source at which the intensity is 0.80 10?6 W/m2
If you move towards a pipe at a speed of 3.3m/s, what frequency will you hear from this organ pipe? speed of sound is 330m/s
A bunch of grapes is placed in a spring scale at a supermarket. The grapes oscillate up and down with a period of 0.65 s, What is the mass of the grapes
If a lab student determines the coeffient of linear expansion of aluminum is 26.4 x 10-6, what is that student's percent error for the experiment
Consider a series RLC circuit where R = 957 ? and C = 5.25 ?F. However, the inductance L of the inductor is unknown. To find its value, What is the inductance of the inductor in millihenrys
The battery of a pocket calculator has a voltage of 4.0 V and devilers a current of 0.29 mA. In one hour of operation How much charge flows in the circuit
A conducting spherical shell with inner radius a and outer radius b has a positive charg Q located at its center. derive expressions for the electric field magnitude in terms of the distance r from the center
A woman stands on a scale in a moving elevator. Her mass is 55.0 kg, and the combined mass of the elevator and scale is an additional 755 kg. What does the scale read (in N) during the acceleration
A 116-rad dose of radiation is administered to a cancer patient (mass = 76) kg). how much energy is absorbed
A forearm accelerates a 3.6-kg ball at 7.0m/s^2 by means of the triceps muscle.If the lever arm is 31cm, find the force that must be exerted by the triceps muscle
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