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The raising and lowering angular momentum operators, J-hat(subscript +), J-hat(subscript -) are defined in terms of the Cartesian components J-hat(subscript x), J-hat(subscript y), J-hat(subscript z) of angular momentum J-hat by J-hat(+)=J-hat(x)+iJ-hat(y) and J-hat(-)=J-hat(x)-iJ-hat(y).
Obtain the matrix representation of J(subscript y) for the state with j=1 in terms of the set of eigenstates of J-hat(subscript z).
Converting sunlight to electricity with solar cells has an efficiency of 15%. It's possible to achieve a higher efficiency (though currently at higher cost) by using concentrated sunlight as the hot reservoir of a heat engine. What is the theoreti..
Communications satellites are placed in orbits so that they always remain above the same point of the earth's surface. A) What must be the period of such a satellite? T= hr B) What is its angular velocity in rad/s?
Data on the modulus of elasticity obtained 1 minute after loading in a certain configuration and 4 weeks after loading for the same lumber specimens is presented here.
The isotope 64Cu can decay by EC, beta- and beta + transtions, calculate the average enrgies of emitted beta- and beta +
On a banked race track, the smallest circular path on which cars can move has a radius of 106 m, compute the largest speed at which cars can move on this track without relying on friction
Although the evidence is weak, there has been concern in recent years over possible health effects from the magnetic fields generated by transmission lines. Estimate the magnetic field strength on the ground
A 60-kg skier starts from rest from the top of a 50-m high slope. If the work done by friction is -6.0 x 103 J, what is the speed of the skier
how much weight must each man support. by how much would the temperature of the air rise over a period of 2.0 h due to the metabolism of the people.
Calculate the acceleration of a bus that goes from 57.6 km/h to a speed of 99.79 km/h in 10 s
A bar magnet is held above the center of the coil with its north pole pointing down. What is the direction of the induced current in the coil
A beam of light has a wavelength of 500 nm in vacuum. What are the wavelength and the speed of the light in the glass
An aluminum cylinder is suspended in an unknown fluid by a spring scale. Outside the fluid, the object weighs 20N. In the fluid it weighs 10N. what is the density of the fluid
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