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1. Explain in simple terms why an electron in a hydrogen atom experiences a magnetic field. Does it experience a field in all quantum states?
2. Just what is the spin-orbit interaction? How does it lead to the observed fine-structure splitting of the spectral lines of the hydrogen atom?
Water entering a house flows with a speed of 0.20 m/s through a pipe of 2.4 cm inside diameter. What is the speed of the water at a point where the pipe tapers to a diameter of4.5 mm
A transformer is designed to change 120V into 10,000V, andthere are 164 turns in the primary coil. How many turns are in the secondary coil
1.00 mol of an ideal diatomic as is heated at constant volume from 300 to 600 K. Find the increase in the internal energy of the gas , the work done by the gas. and the heat absorbed by the gas.
Heat is lost from the outer surface of the cover by convection and radiation with a convection heat transfer coefficient of 10 W/m2· °C and an ambient temperature of 15°C. Determine the fraction of heat lost from the glass cover by radiation.
Suppose you have a circuit consisting of a resistance R = 54 ?, an inductor with L = 36.4 mH and internal resistance r = 30 ?, What is the frequency of the damped oscillations of this circuit
A copper washer is to be fit in place over a steel bolt. Both pieces of metal are at 29.7°C. to what temperature must the washer be raised so it will fit over the bolt
A circular conducting loop of 100 turns and radius 14 cm spins at 1000 rpm about an axis along its diameter, Find the maximum value of the e.m.f induced in the coil
A spherical balloon is made from a material whose mass is 3.86 kg. The thickness of the material is negligible compared to the 2.16-m radius of the balloon. Find the absolute pressure of the helium gas
A 25.0 kg gold bar at 28oC is placed in a large,insulated 0.800 kg glass container at 15.0oC with2.00 kg of water at 25.0oC. Calculate the final equilibrium
Cosmonaut Andrei, your co-worker at the International Space Station, tosses a banana at you at a speed of 16 m/s. At exactly the same instant, you fling a scoopof ice cream at Andrei along exactly the same path.
Answers for an elevator are moving down with an acceleration of 3.360 m/s. what would be the apparent weight of a 64.20 kg man in the elevator.
A point on the rim of a 0.25-m-radius rotating wheel has a centripetal acceleration of 4.0 m/s^2. What is the angular speed of the wheel
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