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Two identical particles are in an isotropic harmonic potential. Show that, if the particles do not interact and there are no spin-orbit forces, the degeneracies of the three lowest energy values are 1, 12, 39 if the particles have spin 1/2, and 6, 27, 99 if the particles have spin 1.
Describe the relationship between stellar luminosity and surface temperature as portrayed in the Hertzsprung-Russell diagram for Main Sequence stars, Giant stars and White Dwarf stars.
A rocket is fired at a speed of 82.0 m/s from ground level, at an angle of 31.0 ° above the horizontal. The rocket is fired toward an 6.95-m high wall, which is located 18.0 m away.
A 1.12-kg aluminum pot contains 2.25 L of water. Both pot and water are initially at 19.1 °C. How much heat must flow into the pot and the water to bring their temperature up to 95.0 °C
An 1100 kilogram car coast on a horizontal road with a speed of 19 m/s. Obtain the magnitude of the average net force on the car in the sandy section
A worker pushed a 38 kg block 9.0 m along a level floor at constant speed with a force directed 31° below the horizontal. Find the increase in thermal energy of the block-floor system
The generator in a purely inductive AC circuit has an angular frequency of 120π rad/s. IfΔVmax = 132 V and L = 0.130 H, what is the rms current in the circuit?
In a circus performance, a monkey on a sled is given an initial speed of 4.6 m/s up a 23? incline. How far up the incline does the sled move
Starting from rest, a car accelerates for first few seconds of its motion according to: a = 1.16t - 0.21 t2 + 0.24t3 Where t is in seconds and acceleration is in m/sec2. What is the change in kinetic energy of the car during the first 2.5 seconds?
The decay of a fictitious nucleus is accompanied by the emission of a gamma ray with wavelength 2.48*10-2 nm. What is the difference between these two levels
A super ball, made of rubblerlike plastic, is thrown against a hard smooth wall. What is the magnitude of the impulse delivered by the wall
Find the change in entropy in the universe. Now, two identical ideal oxygen gases with the same pressure P=1 atm and the same number of particles N = 10^22, but di erent temperature T1 = 30 C and T2 = 40 C,
Two flat plates, separated by a space of 4 mm, are moving relative to each other at a velocity of 5 m/sec. The space between them is occupied by a fluid.
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