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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.
The buoy is made from two homogeneous cones each having radius r. Find the distance zc to the buoy's center of gravity G.
Electrons in a photoelectric-effect experiment emerge from a copper surface with a maximum kinetic energy of 1.10 eV. What is the wavelength of the light?
A mass (10 kg) rests on a surface (ustatic=.6) connected by a cord to a hanging mass of 2 kg. What is the acceleration of the heavier mass
The concrete wall of a building is 0.14 m thick. Thetemperature inside the building is 22°C, while the temperatureoutside is 0.0°C. What is the emissivity of the wall
A billiard ball is moving in the x-direction at 30 cm/s and strikes another billiard ball moving in the y-direction at 40.0 cm/s. As a result of the collision, the first ball moves at 50.0 cm/s, and the second ball stops. In what final direction d..
An 8-m-long beam, weighing 14,700 N, is hinged to a wall and supported by a light rope that is attached 2.0 m from the free end of the beam. calculate the reaction force of the wall on the beam
An empty parallel plate capacitor is connected between the terminals of a 15.0 V battery and charged up. what is the new voltage between the plates of the capacitor
Three forces. one of 40.0 N directed due north, the second of 65.0 N due east and a third of 100 N at 35.0 degrees west of south act on an object of 15.0 kg. What is the object's acceleration?
at a grinding wheel has an angular velocity of 27.0 . it has a constant angular acceleration of 35.0 until a circuit
1. a calculate the efficiency of a carnot engine running between a low temperature of 27.0degc and a high temperature
A proton (rest mass 1.67 x 10-27 kg) has total energy that is 3.00 times its rest energy. What is the kinetic energy of the proton
An unknown nucleus has twice the volume of a nucleus with 62 nucleons. What is the atomic mass number of the unknown nucleus
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