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1. Discuss the use of a paramagnet as a thermometer. In what temperature range would it be useful?
2. The magnetization induced in a diamagnetic sphere by an external magnetic field does not vary with the temperature, in sharp contrast to the situation in paramagnetism. Make this plausible.
3. Does the orbital motion of an electron contribute to paramagnetic behavior of the atom or only the intrinsic spin of an electron?
An atomic clock moves at 1 000 km/h for 1.00 h as measured by an identical clock on the Earth. At the end of the 1.00-h interval, how many nanoseconds slow will the moving clock be compared with the Earth-based clock?
Explain how many penguins of mass 27 kg each can stand on the ice block before they get their feet wet?
the following takes place at a colony on the moon some time in the distant futurea 40 kg cannon is loaded with a 10 kg
A copper block rests 25.5cm from the center of a steel turntable. The coefficient of static friction between block and surface is 0.52. The turntable starts from rest and rotates with a constant angular acceleration of 0.475 rad/s2. After what tim..
A point charge q1 is held stationary at the origin. A second charge q2 is placed at point a and the electric potential energy of the pair of charges is +7.0 x 10-9 J. What is the electric potential energy of the pair of charges
A 3.0cm x 3.0cm parallel-plate capacitor has 3.0 mm spacing. The electric field strength inside the capacitor is 1.4 x 105 V/m. How much charge is on each plate
A mass on a spring bobs up and down over a distance of 29 cm from the top to the bottom of its path four times each second. What are its period and amplitude
A sodium surface, which has a work function of 2.46eV is illuminated with a wavelength = 300nm light. What is the deBroglie wavelength of these electrons
A car starts from rest and travels for 7.0 s with a uniform acceleration of +2.7 m/s2.The driver then applies the brakes, causing a uniform acceleration of -3.0m/s2. If the brakes are applied for 1.0 s, How fast is the car going at the end of the bra..
A projectile is launched vertically with an initial speed of 3 km/s from the surface of a planet (radius = 1.5 x 106 m). Evaluate what is the mass of the planet
An electron starts from rest 75.5 cm from a fixed point charge with Q = -0.150 µC. How fast will the electron be moving when it is too far away.
Astronomical observations of our Milky Way galaxy indicate that it has a mass of about 8 ? 1011 solar masses. What should the orbital period of that star be
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