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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 steel aircraft carrier is 384 m long when moving through the icy North Atlantic at a temperature of 4.24 °C. By how much does the carrier lengthen when it is traveling in the warm Mediterranean Sea at a temperature of 25.3 °C?
A ball with a diameter of 10 cm is submerged in water. The buoyant force of the water on the ball is
Maria throws Jackson a life preserver attached to a rope. Jackson's mass is 235 kg. If Maria pulls Jackson upward with an acceleration of 3.5 m/s^2, how much tension is in the rope
An advertisement shows a 1239 kg car slowly pulling at constant speed a large passenger airplane to demonstrate the power of its newly-designed 79.7-hp (horsepower) engine, How much work is performed by the car on the airplane during this time
A projectile of mass 0.868 kg is shot straight up with an initialspeed of 28.6 m/s. (a) How high would it go ifthere were no air resistance? (b) If theprojectile rises to a maximum height of only 7.53 m, determine themagnitude of the average force du..
If an ice skater spins on perfectly frictionless ice and pulls in her arms, she reduces her moment of inertia by a factor of two and she will then rotate with double the angular velocity. explain what happens to her angular velocity
A 2000 kg car is traveling on a banked curved icy road. The road is banked at an angle of 120 degrees and has a radius of curvature of 500m. The velocity of the car necessary to travel on the icy road wihtout sliding is?
an electrically neutral morgan silver dollar is placed in a uniform electric field of magnitude e6.3e5 nc . the field
Find out the frequency of a sound wave moving through iron at 25 degrees Celsius with a wavelength of 0.601m.
A 78.0-kilogram child starts from rest from the top of a frictionless slide that is 5.4 meters tall. The bottom of the slide is 28.6 centimetres above the ground. The kinetic friction is a constant 116. 0newtons and acts over the 5.0 meter length of ..
The temperature of 2.0 kg of water is 100.0 degrees C, however the water is not boiling, because the external pressure acting on the water surface is 3.0 x 10^5 Pa. Usually, the boiling point of water at 3.0 x 10^5 Pa is 134 degrees C. Decide the amo..
Write an equation for the buoyant force on the empty barge in terms of the known data. Determine the mass of the barge in kilograms. Find the mass of the coal in terms of the given data.
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