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A very naive, but partially correct, way to understand quantization of angular momentum is as follows. Imagine that a particle is confined to travel around a circle of radius r. Its angular momentum about the center is then ±rp, where p is the magnitude of its linear momentum at any moment. Let s be a coordinate that labels the position of the particle around the circle so that s ranges from 0 to 2Πr. The wavefunction of this particle is a function of s. Now suppose that the wavefunction is sinusoidal, so that p is well defined. Using the fact that the wavefunction must undergo an integer number of complete oscillations over the entire circle, find the allowed values of p and the allowed values of the angular momentum.
a an electron is moving east in a uniform electric field of 1.55nc directed to the west. at point a the velocity of the
The force on an object is given by F(x) = -2(x^2)(e^x), where F is in newtons, and x is in meters. What is the change in the object's potential energy
Astronomers have recently discovered a new planet in a faraway solar system, with a radius of roughly 380 km. calculate the minimum density of the planet
steel expands 11 parts in a million for each 1 circ rm c change. consider a 40000-rm km steel pipe that forms a ring to
Hulk jumps a total distance of 102m and reaches a maximumheight of 52m, what was his initial velocity, both magnitude and direction
A power station delivers 510 kW of power at 12,000 V to a factory through wires with total resistance 3.5 . How much less power is wasted
An especially violent lightning bolt has an average current of 2.25x 103 A lasting 0.271 s. How much charge is delivered to the ground by the lightning bolt?
A motorist travels 85 km at 110km/h, and 50km at 85km/h. What is the average speed for the trip
Gravity fed intravenous infusions are made possible by hanging a bag of fluid above the patient. If blood pressure is 18 mm Hg above atmospheric pressure, find the minimum height of the bag such that fluid flows into the body. Assume the density of t..
Why does current go to zero at some negative voltage and what determines that voltage? Draw on the graph to show how the curve will change if the intensity is increased.
q. a group of swimmers is resting in the sun on an off-shore raft. they estimate that 4.8 m separates a trough and an
Considering what you have read and learned, what inventions do you think have helped make the camera what it is today?
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