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Determine the macroscopic absorption cross section for a uranium fuel rod which has been enriched to 15 w/o U-235 and the remainder is U-238. The density, rho, of this fuel rod is equal to 19.1 g/cm^3 and the microscopic absorption cross sections are density(235)=680.8 b and density(238)= 2.7 b.
In a classic carnival ride, patrons stand against the wall in a cylindrically shaped room. Once the room gets spinning fast enough, What is the speed of a person "stuck" to the wall in (m/s)
A transmission diffraction grating 420 lines/mm is used to study the light intensity of different orders (n). A screen is located 2.5m from the grating. What is the separation on the screen between the three brightest red lines for a hydrogen source?
In November 2004, the United States tested a scramjet that flew at 10.0times the speed of sound for 11.0s , as measured by engineers on earth. How long did the flight last as measured inside the jet
A warning buoy is observed to raise every 5.0 s as crests of waves pass by it. What is the period of these waves
An object falls off of a pier and into the ocean (sea water) where it displaces a total volume of 1.6 cubic meters of sea water. What is the buoyant force acting on the object
A spherical balloon of volume 4.08 103 cm3 contains helium at a pressure of 1.21 105 Pa. How many moles of helium are in the balloon
When the air temperature is below 0, the water at the surface of a lake freezes to form a sheet of ice. If the upper surface of an ice sheet 24.60 cm thick is at -10.30 Celsius and the bottom surface is at 0.00 Celsius, compute the time it will ta..
A fresh pumpkin has a mass of 2.44 kg is droped from above the ground. Ignore air friction. Calculate the momentum change of the pumpkin
a 0.50 uF capacitor is charged to a 12V battery. How much electrical potential energy is stored in the capacitor
The nucleus of a 125^Xe atom (an isotope of the element xenon with mass 125 u) is 6.0 fm in diameter. It has 54 protons and charge q=+54e, What is the proton's acceleration
Four point charges, q, are fixed to the four corners of a square that is 11.2 cm on a side. An electron is suspended above a point at which its weight is balanced by the electrostatic force due to the four point charges, at a distance of 11 nm abo..
How numerous revolutionsthe wheel have made through the time
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