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1. What is the origin of the ultraviolet catastrophe?
2. The law of equipartition of energy requires that the specific heat of gases be independent of the temperature, in disagreement with experiment. Here we have seen that it leads to the Rayleigh-Jeans radiation law, also in disagreement with experiment. How can you relate these two failures of the equipartition law?
A 5.1kg mass hanging from a spring scale is slowly lowered onto a vertical spring, as shown in the figure(Figure 1) . a.) What does the spring scale read just before the mass touches the lower spring? b.) The scale reads 25 when the lower spring has ..
Calculate the total mass Astrof hydrogen available for fusion over the lifetime of the Sun
A 10.0-m long wire whose total mass is 39.5 grams is under a tension of 577N. Where do the pulses first meet
Evaluate the stability of of Na in the NaCl structure
an electric dipole consisting of charges of magnitude 1.90 nc separated by 8.80 microm is in an electric field of
in the javelin throw at a track-and-field event the javelin is launched at a speed of 30.0 ms at an angle of 39.2 deg
A telephone cord is 4.00m long. The cord has a mass of 0.200kg. A transverse pulse is produced by plucking one end of the taut cord. The pulse makes four trips down and back along the cord in 0.800s. What is the tension in the cord?
In a nuclear power plant the fuel rods last 3 yr before they are replaced. If a plant with rated thermal power 1.00 GW operates at 86.0% capacity for the 3 yr, what is the loss of mass of the fuel
A 20-m long steel wire (cross-section 1.0 cm2, Young's modulus 2.0 ´ 1011 N/m2), is subjected to a load of 25 000 N. How much will the wire stretch under the load
A flat piece of glass is supported horizontally above the flat end of a 12.0 cm long metal rod that has its lower end rigidly fixed. The thin film of air among the rod and the glass is observed to be bright when illuminated with light of wavelength 5..
A 30uF capacitor initially charged to 30uC is discharged through a 2.9kohms resistor. How long does it take to reduce the capacitor's charge to 9.0uC
Unpolarized light in vacuum is incident onto a sheet of glass with index of refraction n. The reflected and refracted rays are perpendicular to each other. Find the angle of incidence. This angle is called Brewster's angle or the polarizing gangly.
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