How many photons-water interactions occur in one second
A beam of 2-MeV photons with intensity 10^8 cm^-2s^-1 irradiates a small sample of water. (a) How many photons-water interactions occur in one second in one cm^3 of the water? (b) How many positrons are produced per second in one cm^3 of the water?
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The Yoder Supply Company sells maintenance contracts to the purchasers of the equipment they sell. The cost of the contract is $1450, payable at the signing of the contract.
It is known that the normal stress is 68 MPa, and the shear stress is -100 MPa. Use Mohr's circle to solve the following. Find the max tensile stress, max compressive stress and maz shear stress in the shaft.
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At a city high school, past records indicate that the MSAT scores of students have a mean of 510 and a standard deviation of 90. One hundred students in the high school are to take the test. What is the probability that the sample mean score will
How many photons-water interactions occur in one second in one cm^3 of the water? (b) How many positrons are produced per second in one cm^3 of the water?
Charge is distributed uniformly throughout the volume of an infinitely long cylinder of radius R = 4.00×10^-2 m. The charge density is 5.00×10^-2 C/ m^3. What is the electric field at r = 2.00×10^-2 m? What is the electric field
CompanyX can further process Product A to produce Product B. Product A is currently selling for $18 per pound and costs $12.50 per pound to produce.
How much heat is carried away from the space containing the food inside the refrigerator if the internal energy of the refrigerator (the solid structure) is unchanged during the process?
CompanyX has estimated total factory overhead costs of $400,000 and 20,000 direct labor hours for the current fiscal year. If direct labor hours for the year totals 18,000 and actual factory overhead totals $350,000.
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