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By differentiating the expression for the Maxwell-Boltzmann energy distribution, show that the peak of the distribution occurs at an energy of (1/2)kT.
A skier wears a goose down jacket of thickness 3.75cm and total surface area of 1.25m^2. determine the temperature at the surface of the skin
A glass sheet is covered by a very thin opaque coating. In the middle of this sheet there is a thin scratch 1.25×10-3mm thick. The sheet is totally immersed beneath the surface of a liquid.
A uniform rod of length 0.940 m and mass 11.0 kg is balanced on a sharp edge at 0.670 m from the left end. Calculate the torque on the center of mass of the rod alone with respect to the pivot point
One day when you come into physics lab you find several plastic hemispheres floating like boats in a tank of fresh water. Each lab group is challenged to determine the heaviest rock that can be placed in the bottom of a plastic boat without sinkin..
A clay ball (m=0.82 kg) is thrown at a metal target (M=1.72 kg) that is suspended from a cable. How far above its hanging location does the target swing
A weather balloon filled with helium gas has a volume of 279 m3, What is the new volume of the balloon
A total charge of 14 mC passes through a cross-sectional area of a nichrome wire in 1.4 s. I need to know how many electrons pass through the cross-sectional area in 23.0 s
What is mass of the ice cube
suppose that they have same internal energy, which will have a higher temperature: a metal knife in thermal equilibrim with a hot griddle or a 1kg block of ice at -25C or seven 12g ice cubes at -25C.
A thunderstorm drops 6.0cm of rain on a city that covers an area of 33 km by 45 km. approximation the number of raindrops that fell during the storm. You could assume the diameter of a raindrop is 2 mm.
Two sound sources radiating in phase at a frequency of 485 Hz interfere such that maxima are heard at angles of 0 and 22° from a line perpendicular to that joining the two sources. Find out the separation between the two sources.
White light illuminates an oil film on water. Viewing it directly from above, it looks red. What is the refractive index of the oil
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