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A sample of paramagnetic material containing \(10^{25}\) atoms is placed in an external field magnetic field of 1 tesla at room temperature. Assume that the electrons of each atom have zero orbital angular momentum and spin angular momentum of 1/2. Thus, J=1/2 and g=2.
a) Find the total magnetic moment of the sample.
b) What would be the total magnetic moment at a temperature of 0.1K?
What is the magnitude of the force on an electron that is in the region between the plates at a point accurately 2.52 mm from the positive plate
What angle did the hawk make with the horizontal throughout its descent? For how long did the mouse enjoy the free fall.
A house has a floor area of 115 m2 and an outside wall that has an area of 24 m2. The earth's magnetic field here has a horizontal component of 2.50 e 10-5 T that points due north and a vertical component of 4.30 e 10-5 T that points straight down..
Two parallel plates are charged to a voltage of 50V. If the separation between the plates is 0.05m, what is the electric field between them?
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A 75-m long train begins unknown uniform acceleration from rest.The front of the train has a speed of 23 m/s when it passes arailway worker who is standing 180m from where the front of the train started. What will the speed of the last car be as i..
The speed of a passenger train is 16mph faster than the speed of a frieght train. The passenger train travels 330 miles in the same time it takes the frieght train to travel 250miles. find the speed of each train.
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