Find acceleration of assembly and angular acceleration
The uniform disk of mass pivots freely on the cart of mass. Determine the acceleration of the assembly and the angular acceleration of the disk under the action of the force applied to a cord wrapped securely around the disk.
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A neutron passes two points 1.0 meter apart in 1.0 microsecond. Calculate the neutron's energy in units of both joules (J), ergs and electron volts (eV). Show all
Assuming the specific heat of the body is the same as water, calculate the temperature rise due to a total body dose of 10 Gy (1000 rad). Show your work.
Provide an estimate of the relative magnitudes of the forced and free convection if P1 is increased by a factor of ten while all other parameters, including temperatures.
Calculate and compare the electron densities of a piece of aluminum 1 cm thick and a piece of iron of the same density thickness. Show your work & please be sure to compare.
The atomic ratio of Uranium-235 to Uranium-238 in current uranium is 1:139. What was the ratio of these two isotopes when the natural reactor went critical. Show your work.
One bright summer day a swimmer is floating with her head just above the surface of a large lake where the water has index of refraction n = 1.38. Nearby she sees a tall wooden post emerging from the water.
A 356 mm diameter main services a section of a mine and carries 4.8 kg/s of compressed air at peak periods. If the main is 2,000 m in length what would be the maximum pressure drop across it?
The interference pattern shows a peak at the center of the screen (m=0) and then alternating minima and maxima.What is the path length difference between the waves at the first maximum (m=1) on the screen?
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