Calculate macroscopic cross sections for absorption
Natural boron has a density of 0.128×1024 at/cm3 and a cross section sigma a = 760 b and sigma s = 4 b at an energy of E = 0.025 eV. Calculate the macroscopic cross sections at 0.025 eV for absorption, scattering, and total interaction.
Expected delivery within 24 Hours
Assume 200 MeV is released per fission, the 235U fission cross section is 470 b, and the atomic weight of the uranium fuel is 238 g/mol. What is the value of the core average neutron flux in n/cm2-s?
Suppose that the number of asbestos particles in a sample of 1 squared centimeter of dust is a Poisson random variable with a mean of 1000. What is the probability that 10 squared centimeters of dust contains more than 10010 particles?
Two converging lensees, the first with focal length 25 cm and second with the focal length 20 cm, are separated by 30 cm. A 4 cm tall object is placed 50 cm infront of the first lens. What is the hight of the first image?
A 0.8870 g sample of a mixture of NaCl and KCl is dissolved inwater and treated with excess AgNO3 to yield 1.822 g ofAgCl. Calculate the percent by mass of each compound in the mixture.
Natural boron has a density of 0.128×1024 at/cm3 and a cross section sigma a = 760 b and sigma s = 4 b at an energy of E = 0.025 eV.
The lense of a slide project has a focal length of 10 cm. It is used to project the image of a 35 mm slide (24 mm x 36 mm) on a square screen located 6m away. Of the following screen width, what is the smallest that would allow the image to fit?
If you drop an object from a height of 1.5 m, it will hit the ground in 0.56 s. If you throw a baseball horizontally with an initial speed of 15 m/s from the same height, how long will it take the ball to hit the ground?
A machine used for producing "quarter inch" rivets is to be checked by taking a random sample of 10 rivets and measuring their diameters. It is feared that the wear-off factor of the machinewill cause it to produce rivets with diameters less than
1926584
Questions Asked
3,689
Active Tutors
1456917
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Collaborating with Families in Data Collection (1 minute) A. Importance of family insights ? Offers context to behavior
How have our understandings of substance abuse evolved, particularly regarding addictive disorders, such as gambling?
For this assignment, select three mental health and/or behavioral disorders that are prevalent in adolescents. The three disorders are
It is important to understand what interventions and treatments are available for students who exhibit a mental health or behavior problem disorder.
The purpose of this qualitative interpretative phenomenological study is to explore the emotional, psychological, and relational lived experiences of Jamaican
What are her Current Social Issues and Stressors: Rose is a 38-year-old female who has a sister, and they both suffered from severe child abuse
What is your specific plan to improve in each area? How will you measure if you have improved in this area this term? What is your timeline for improvement